Walter Wai-Yip Chan

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A Prospective Blinded Study of Endoscopic Ultrasound Elastography in Liver Disease: Towards a Virtual Biopsy

Allison R. Schulman, Anna E. Rutherford, M. Ryou, 2018, Clinical endoscopy.

Dysphagia predicts greater weight regain after Roux-en-Y gastric bypass: a longitudinal case-matched study.

C. Thompson, T. Runge, Walter Wai-Yip Chan, 2019, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

Reliability of the Boston Bowel Preparation Scale in the Endoscopy Nurse Population.

K. Obstein, Cregan J Laborde, Walter Wai-Yip Chan, 2016, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Assessing Upper Esophageal Sphincter Function in Clinical Practice: a Primer

N. Ahuja, Walter Wai-Yip Chan, 2016, Current Gastroenterology Reports.

Proton Pump Inhibitors Independently Protect Against Early Allograft Injury or Chronic Rejection After Lung Transplantation

H. Goldberg, S. Boukedes, Walter Wai-Yip Chan, 2018, Digestive Diseases and Sciences.

Evaluating the Impact of Cost on the Treatment Algorithm for Chronic Idiopathic Constipation: Cost-Effectiveness Analysis

W. Chey, A. Lembo, C. Siegel, 2021, The American journal of gastroenterology.

EUS-guided biliary drainage is equivalent to ERCP for primary treatment of malignant distal biliary obstruction: a systematic review and meta-analysis

C. Thompson, Thomas J. Wang, M. Ryou, 2019, Endoscopy International Open.

Metabolic Effect of Foregut Exclusion Demonstrated by the Impact of Gastrogastric Fistula on Recurrence of Diabetes.

C. Thompson, P. T. Kröner, Walter Wai-Yip Chan, 2017, Journal of the American College of Surgeons.

A Novel Hands-Free Abdominal Compression Device for Colonoscopy Significantly Decreases Cecal Intubation Time: A Prospective Single-Blinded Pilot Study.

Allison R. Schulman, M. Ryou, Walter Wai-Yip Chan, 2017, Journal of laparoendoscopic & advanced surgical techniques. Part A.

Proton pump inhibitor use and the risk of small intestinal bacterial overgrowth: a meta-analysis.

Walter Wai-Yip Chan, Wai-Kit Lo, 2013, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Determining the Safety and Effectiveness of Electrocautery Enhanced Scissors for Peroral Endoscopic Myotomy (with Video)

C. Thompson, H. Aihara, Walter Wai-Yip Chan, 2020, Clinical endoscopy.

Prevalence and Characteristics of Gastrointestinal Symptoms in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 Infection in the United States: A Multicenter Cohort Study

C. Thompson, A. Bazarbashi, Walter Wai-Yip Chan, 2020, Gastroenterology.

Symptoms classically attributed to laryngopharyngeal reflux correlate poorly with pharyngeal reflux events on multichannel intraluminal impedance testing.

Thomas L. Carroll, S. Salgado, L. Borges, 2022, Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

Carcinoid tumor of the extrahepatic bile ducts: Sonographic, cholangiographic, and MDCT features

J. Glickman, J. C. Baez, K. Mortelé, 2010 .

Increased proximal acid reflux is associated with early readmission following lung transplantation

H. Goldberg, Walter Wai-Yip Chan, R. Burakoff, 2016, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

Pre-lung transplant measures of reflux on impedance are superior to pH testing alone in predicting early allograft injury.

H. Goldberg, Walter Wai-Yip Chan, R. Burakoff, 2015, World journal of gastroenterology.

474 Both Pre-Transplant and Early Post-Transplant Anti-Reflux Surgery Prevent Development of Early Allograft Injury After Lung Transplantation

P. Fisichella, Jon O. Wee, Walter Wai-Yip Chan, 2015 .

Both Pre-Transplant and Early Post-Transplant Antireflux Surgery Prevent Development of Early Allograft Injury After Lung Transplantation

P. Fisichella, H. Goldberg, Jon O. Wee, 2015, Journal of Gastrointestinal Surgery.

Tu1108 Social Media Exposure is Independently Associated with Increased Citations of Publications in Gastroenterology

A. Chiang, Javid Alakbarli, Walter Wai-Yip Chan, 2016, Gastroenterology.

Transoral incisionless fundoplication is cost-effective for treatment of gastroesophageal reflux disease

C. Thompson, Sanchit Gupta, Walter Wai-Yip Chan, 2022, Endoscopy international open.

Assessment of fractionated exhaled nitric oxide as a biomarker for the treatment of eosinophilic esophagitis

Jason S. Yip, J. Weinstock, John Leung, 2012, Allergy and asthma proceedings.

Assessment of fractionated exhaled nitric oxide as a biomarker for the treatment of eosinophilic esophagitis

Jason S. Yip, J. Weinstock, John Leung, 2012 .

Increased Acid Exposure on Pretransplant Impedance-pH Testing Is Associated With Chronic Rejection After Lung Transplantation

H. Goldberg, Walter Wai-Yip Chan, Wai-Kit Lo, 2020, Journal of clinical gastroenterology.

Pre-transplant impedance measures of reflux are associated with early allograft injury after lung transplantation.

H. Goldberg, Walter Wai-Yip Chan, R. Burakoff, 2015, The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation.

Prevalence and impact of Clostridioides difficile infection among hospitalized patients with coranavirus disease 2019

J. Allegretti, A. Bazarbashi, K. Jajoo, 2021, JGH open : an open access journal of gastroenterology and hepatology.

Risk Factors for Gastrointestinal Symptoms Following Successful Eradication of Clostridium difficile by Fecal Microbiota Transplantation (FMT)

C. Kelly, Z. Kassam, J. Allegretti, 2019, Journal of clinical gastroenterology.

Respiratory manifestations of gastroesophageal reflux disease

C. Pellegrini, Jacqui Allen, S. Harding, 2013, Annals of the New York Academy of Sciences.

Low-cost gastrointestinal manometry via silicone–liquid-metal pressure transducers resembling a quipu

Christina M. Patterson, Shriya S. Srinivasan, S. Srinivasan, 2022, Nature Biomedical Engineering.

Opened Proton Pump Inhibitor Capsules Reduce Time to Healing Compared With Intact Capsules for Marginal Ulceration Following Roux‐en‐Y Gastric Bypass

Allison R. Schulman, C. Thompson, Walter Wai-Yip Chan, 2017, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

The Initial Management and Endoscopic Outcomes of Dyspepsia in a Low-Risk Patient Population

J. Fiorenza, Walter Wai-Yip Chan, Alex Tinianow, 2016, Digestive Diseases and Sciences.

Trends and Socioeconomic Health Outcomes of Cannabis Use Among Patients With Gastroparesis

C. Thompson, Walter Wai-Yip Chan, T. McCarty, 2021, Journal of clinical gastroenterology.

Impact of Oral-Cecal Transit Time on the Interpretation of Lactulose Breath Tests After RYGB: a Personalized Approach to the Diagnosis of SIBO

C. Thompson, Walter Wai-Yip Chan, P. Jirapinyo, 2019, Obesity Surgery.

Current Approach to the Management of Eosinophilic Esophagitis in Adults

Walter Wai-Yip Chan, Alison H. Goldin, 2015, Current Treatment Options in Gastroenterology.

Lubiprostone Increases Small Intestinal Smooth Muscle Contractions Through a Prostaglandin E Receptor 1 (EP1)-mediated Pathway

H. Mashimo, Walter Wai-Yip Chan, 2013, Journal of neurogastroenterology and motility.

Optimizing EUS-guided liver biopsy sampling: comprehensive assessment of needle types and tissue acquisition techniques.

Allison R. Schulman, C. Thompson, M. Ryou, 2017, Gastrointestinal endoscopy.

Opioid-Associated Anorectal Dysfunction in Chronic Constipation

L. Horton, Walter Wai-Yip Chan, Alison H. Goldin, 2021, Digestive Diseases and Sciences.

Sorting out the Relationship Between Esophageal and Pulmonary Disease.

Walter Wai-Yip Chan, Noreen C. Okwara, 2021, Gastroenterology clinics of North America.

Pulmonary Complications of Gastroesophageal Reflux Disease

Walter Wai-Yip Chan, 2021 .

Innovative techniques in evaluating the esophagus; imaging of esophageal morphology and function; and drugs for esophageal disease

M. Neurath, M. Vieth, E. Savarino, 2013, Annals of the New York Academy of Sciences.

Role of gastroesophageal reflux disease in lung transplantation

Walter Wai-Yip Chan, Wai-Kit Lo, K. Hathorn, 2017, World journal of transplantation.

Isolated gastric sarcoidosis: a rare entity

J. Sparks, R. Patel, R. Winter, 2017, BMJ Case Reports.

Development and external validation of a prediction risk model for short-term mortality among hospitalized U.S. COVID-19 patients: A proposal for the COVID-AID risk tool

Evan Sholle, Evan T. Sholle, Lin Shen, 2020, PloS one.

Mucosal impedance for esophageal disease: evaluating the evidence

C. Gyawali, J. Clarke, M. Vela, 2020, Annals of the New York Academy of Sciences.

Endoscopic band ligation in the treatment of gastric antral vascular ectasia: a systematic review and meta-analysis

K. Jajoo, Walter Wai-Yip Chan, T. McCarty, 2021, Endoscopy International Open.

Best Practices in Treatment of Laryngopharyngeal Reflux Disease: A Multidisciplinary Modified Delphi Study

Thomas L. Carroll, E. Savarino, P. Belafsky, 2022, Digestive Diseases and Sciences.

Novel Advanced Impedance Metrics on Impedance-pH Testing Predict Lung Function Decline in Idiopathic Pulmonary Fibrosis

L. Borges, H. Goldberg, V. Rangan, 2021, The American journal of gastroenterology.

Extraesophageal syndrome of gastroesophageal reflux: relationships with lung disease and transplantation outcome

M. Vela, P. Fisichella, V. Rangan, 2020, Annals of the New York Academy of Sciences.

AJG-21-1183 405..412

L. Borges, H. Goldberg, Walter Wai-Yip Chan, 2022 .

Immunosuppressive Therapy and Risk of COVID-19 Infection in Patients With Inflammatory Bowel Diseases

Kristin E. Burke, A. Ananthakrishnan, P. Lochhead, 2020, Inflammatory bowel diseases.

Baseline Peripheral Eosinophil Count Independently Predicts Proton Pump Inhibitor Response in Eosinophilic Esophagitis

Walter Wai-Yip Chan, Alison H. Goldin, Wai-Kit Lo, 2023, Journal of clinical gastroenterology.

Eating and Psychiatric Disorders Are Independent Risk Factors for Rumination Syndrome

Darren J. Lee, Walter Wai-Yip Chan, Jennifer X. Cai, 2021, Journal of clinical gastroenterology.

Updates on diagnostic modalities for esophageal dysphagia

C. Gyawali, A. Lazarescu, Yinglian Xiao, 2020, Annals of the New York Academy of Sciences.

Value of preoperative esophageal function studies before laparoscopic antireflux surgery

C. Gyawali, Laura R. Haroian, Walter Wai-Yip Chan, 2011, Surgical Endoscopy.

Foregut Dysmotility in the Lung Transplant Patient

Walter Wai-Yip Chan, D. Wong, 2021, Current Gastroenterology Reports.

Predictors of Outcomes of COVID-19 in Patients With Chronic Liver Disease: US Multi-center Study

A. Branch, Kara Wegermann, P. Kwo, 2020, Clinical Gastroenterology and Hepatology.

Laryngopharyngeal reflux and GERD

Jacqui Allen, N. Johnston, P. Dettmar, 2013, Annals of the New York Academy of Sciences.

Does the Reflux Symptom Index Predict Increased Pharyngeal Events on HEMII-pH Testing and Correlate with General Quality of Life?

Thomas L. Carroll, Jennifer J Shin, Walter Wai-Yip Chan, 2019, Journal of voice : official journal of the Voice Foundation.

Normative Ambulatory Reflux Monitoring Metrics for Laryngopharyngeal Reflux: A Systematic Review of 720 Healthy Individuals

Thomas L. Carroll, M. Vaezi, C. Chiesa-Estomba, 2021, Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery.

Coexisting Abnormal Esophageal Body Motility Predicts Clinical Symptoms and Bolus Transit in Patients With Esophagogastric Junction Outflow Obstruction (EGJOO).

D. Wong, Darren J. Lee, Walter Wai-Yip Chan, 2020, Journal of clinical gastroenterology.

Spastic Motor Disorders

Walter Wai-Yip Chan, Jennifer X. Cai, 2019, Evaluation and Management of Dysphagia.

Nonerosive reflux disease: clinical concepts

D. Azagury, P. Malfertheiner, Justin C.Y. Wu, 2018, Annals of the New York Academy of Sciences.

Failed Swallows on High-Resolution Manometry Independently Correlates With Severity of LPR Symptoms.

Thomas L. Carroll, S. Salgado, L. Borges, 2020, Journal of voice : official journal of the Voice Foundation.

Delayed Gastric Emptying in Prelung Transplant Patients Is Associated With Posttransplant Acute Cellular Rejection Independent of Reflux

Walter Wai-Yip Chan, V. Kaza, Wai-Kit Lo, 2021, Journal of clinical gastroenterology.

Distinct Clinical Physiologic Phenotypes of Patients with Laryngeal Symptoms Referred for Reflux Evaluation.

Thomas L. Carroll, J. Pandolfino, A. Kaizer, 2021, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

The efficacy of proton pump inhibitors for the treatment of asthma in adults: a meta-analysis.

K. Obstein, E. Chiou, Walter Wai-Yip Chan, 2011, Archives of internal medicine.

Mo1648 Irregular Bowel Movements Following Fecal Microbiota Transplantation (FMT) Are Associated With Pre-Existing Irritable Bowel Syndrome but Not FMT-Related Factors

J. Korzenik, Z. Kassam, J. Allegretti, 2016 .

Routine Reflux Testing Guides Timely Antireflux Treatment to Reduce Acute and Chronic Rejection After Lung Transplantation

H. Goldberg, Walter Wai-Yip Chan, Wai-Kit Lo, 2022, Clinical and translational gastroenterology.

Relationship Between Esophageal Disease and Pulmonary Fibrosis

Walter Wai-Yip Chan, Wai-Kit Lo, S. Gavini, 2023, Digestive Diseases and Sciences.

Idiopathic pulmonary fibrosis is associated with increased impedance measures of reflux compared to non‐fibrotic disease among pre‐lung transplant patients

H. Goldberg, Walter Wai-Yip Chan, R. Burakoff, 2015, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

Impaired Proximal Esophageal Contractility Predicts Pharyngeal Reflux in Patients With Laryngopharyngeal Reflux Symptoms

Thomas L. Carroll, Walter Wai-Yip Chan, Jennifer X. Cai, 2021, Clinical and translational gastroenterology.

Prevalence and clinical significance of esophageal motility disorders in patients with laryngopharyngeal reflux symptoms

Thomas L. Carroll, Walter Wai-Yip Chan, Jennifer X. Cai, 2020, Journal of gastroenterology and hepatology.

Dual pH Probes Without Proximal Esophageal and Pharyngeal Impedance May Be Deficient in Diagnosing LPR.

Thomas L. Carroll, L. Borges, Walter Wai-Yip Chan, 2019, Journal of voice : official journal of the Voice Foundation.

Abnormal Bolus Reflux Is Associated With Poor Pulmonary Outcome in Patients With Idiopathic Pulmonary Fibrosis

L. Borges, H. Goldberg, Walter Wai-Yip Chan, 2018, Journal of neurogastroenterology and motility.

Lung disease severity in idiopathic pulmonary fibrosis is more strongly associated with impedance measures of bolus reflux than pH parameters of acid reflux alone

L. Borges, H. Goldberg, Walter Wai-Yip Chan, 2017, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

Association Between Institutional Social Media Involvement and Gastroenterology Divisional Rankings: Cohort Study

A. Chiang, Walter Wai-Yip Chan, Akhil Kumar, 2019, Journal of medical Internet research.

Association Between Atazanavir‐Induced Hyperbilirubinemia and Cardiovascular Disease in Patients Infected with HIV

S. Zucker, Walter Wai-Yip Chan, Michael Li, 2020, Journal of the American Heart Association.

The Patterns and Impact of Social Media Exposure of Journal Publications in Gastroenterology: Retrospective Cohort Study

A. Chiang, Javid Alakbarli, Walter Wai-Yip Chan, 2021, Journal of medical Internet research.

The Patterns and Impact of Social Media Exposure of Journal Publications in Gastroenterology: Retrospective Cohort Study (Preprint)

A. Chiang, Javid Alakbarli, Walter Wai-Yip Chan, 2020 .

Impact of chronic liver disease on outcomes of hospitalized patients with COVID‐19: A multicentre United States experience

D. Wong, A. Bazarbashi, N. Hashemi, 2020, Liver international : official journal of the International Association for the Study of the Liver.

How Do Presenting Symptoms and Outcomes Differ by Race/Ethnicity Among Hospitalized Patients With Coronavirus Disease 2019 Infection? Experience in Massachusetts

V. Stone, D. Wong, Q. Trinh, 2020, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

The COVID-19 Pandemic and Post-Infection Irritable Bowel Syndrome: What Lies Ahead for Gastroenterologists

M. Grover, Walter Wai-Yip Chan, 2022, Clinical Gastroenterology and Hepatology.

Lipase Elevation in Patients With COVID-19

A. Bazarbashi, J. McNabb-Baltar, Walter Wai-Yip Chan, 2020, The American journal of gastroenterology.

Persistent Symptoms After Antireflux Surgery and Their Management

L. Borges, Walter Wai-Yip Chan, 2017 .

Appointment-keeping behaviors and procedure day are associated with colonoscopy attendance in a patient navigator population.

J. Nayor, Walter Wai-Yip Chan, Swapnil Maniar, 2017, Preventive medicine.

GERD phenotypes from pH‐impedance monitoring predict symptomatic outcomes on prospective evaluation

C. Gyawali, A. Patel, V. Kushnir, 2016, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

Tu1325 ESOPHAGEAL FUNCTION AND REFLUX EVALUATIONS IN LUNG TRANSPLANATION: A NATIONAL SURVEY OF UNOS ACCREDITED TRANSPLANT CENTERS

H. Goldberg, Walter Wai-Yip Chan, Wai-Kit Lo, 2020 .

365 The Prevalence and Clinical Significance of Esophageal Motility Disorders in Patients Presenting With Laryngopharyngeal Reflux (LPR) Symptoms

Thomas L. Carroll, Walter Wai-Yip Chan, Jennifer X. Cai, 2019, American Journal of Gastroenterology.

Pre-Lung transplant reflux testing demonstrates high prevalence of gastroesophageal reflux in cystic fibrosis and reduces chronic rejection risk

H. Goldberg, Walter Wai-Yip Chan, Wai-Kit Lo, 2023, World journal of transplantation.

Ineffective esophageal motility is associated with acute rejection after lung transplantation independent of gastroesophageal reflux

H. Goldberg, Walter Wai-Yip Chan, Wai-Kit Lo, 2019, World journal of gastroenterology.

Su2020 Proton Pump Inhibitor Use and the Risk of Small Intestinal Bacterial Overgrowth: A Meta-Analysis

Walter Wai-Yip Chan, Wai-Kit Lo, 2013 .

Best Practices in Treatment of Laryngopharyngeal Reflux Disease: A Multidisciplinary Modified Delphi Study

Thomas L. Carroll, E. Savarino, P. Belafsky, 2022, Digestive Diseases and Sciences.

Small Intestinal Bacterial Overgrowth: Should Screening Be Included in the Pre-fecal Microbiota Transplantation Evaluation?

Z. Kassam, J. Allegretti, Walter Wai-Yip Chan, 2017, Digestive Diseases and Sciences.

Up-front endoscopy maximizes cost-effectiveness and cost-satisfaction in uninvestigated dyspepsia.

W. Chey, A. Lembo, B. Moshiree, 2023, Clinical Gastroenterology and Hepatology.

Risk Factors for Voluntary Childlessness in Men and Women With Inflammatory Bowel Disease.

Alexander N. Levy, S. Friedman, R. Winter, 2022, Inflammatory bowel diseases.

Abnormal bolus reflux on impedance-pH testing independently predicts 3-year pulmonary outcome and mortality in pulmonary fibrosis.

L. Borges, H. Goldberg, Walter Wai-Yip Chan, 2023, Journal of gastroenterology and hepatology.

Endoscopic Localization of Colon Cancer Is Frequently Inaccurate

J. Saltzman, J. Nayor, Walter Wai-Yip Chan, 2017, Digestive Diseases and Sciences.

Assessment of the clinical and allergy profiles of PPI responsive and non-responsive eosinophilic esophagitis.

J. Hornick, Shikha Mangla, M. Hamilton, 2022, Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

W1067 The Efficacy of Proton Pump Inhibitors for Treatment of Asthma: A Meta-Analysis

K. Obstein, E. Chiou, Walter Wai-Yip Chan, 2010 .

Endoscopic Features and Eosinophil Density Are Associated with Food Impaction in Adults with Esophageal Eosinophilia

J. Hornick, G. Singal, Shikha Mangla, 2016, Digestive Diseases and Sciences.

Lower EUS-guided ganglion impar blockade

M. Ryou, A. Bazarbashi, Walter Wai-Yip Chan, 2021, VideoGIE.

Role of gastroesophageal reflux disease in lung transplantation

Walter Wai-Yip Chan, Wai-Kit Lo, K. Hathorn, 2017, World journal of transplantation.

Assessment of fractionated exhaled nitric oxide as a biomarker for the treatment of eosinophilic esophagitis

Jason S. Yip, J. Weinstock, John Leung, 2012, Allergy and asthma proceedings.

Increased proximal acid reflux is associated with early readmission following lung transplantation

H. Goldberg, Walter Wai-Yip Chan, R. Burakoff, 2016, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

CLINICAL PRACTICE: HERE AND NOW The COVID-19 Pandemic and Post-Infection Irritable Bowel Syndrome: What Lies Ahead for Gastroenterologists

M. Grover, Walter Wai-Yip Chan, 2022 .

High Prevalence of Gastrointestinal Manifestations of COVID-19 Infection in Hospitalized Patients With Cancer

D. Wong, A. Bazarbashi, S. Grover, 2020, Journal of clinical gastroenterology.

Overlapping Transcriptional Profile in Proton Pump Inhibitor Responsive and Nonresponsive Eosinophilic Esophagitis

M. Hamilton, Walter Wai-Yip Chan, Alison H. Goldin, 2022, Clinical and translational gastroenterology.

Su1270 HIGH DIAGNOSTIC YIELD OF EROSIVE REFLUX DISEASE ON UPPER GI ENDOSCOPY IN THE EVALUATION OF LARYNGOPHARYNGEAL REFLUX

R. Yadlapati, Walter Wai-Yip Chan, Madeline Greytak, 2023, Gastroenterology.

Modern Day Approach to Extra-Esophageal Reflux: Clearing the Murky Lens.

R. Yadlapati, Walter Wai-Yip Chan, 2023, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Ineffective esophageal motility is associated with acute rejection after lung transplantation independent of gastroesophageal reflux

H. Goldberg, Walter Wai-Yip Chan, Wai-Kit Lo, 2023, World journal of gastroenterology.

Proton Pump Inhibitors Independently Protect Against Early Allograft Injury or Chronic Rejection After Lung Transplantation

H. Goldberg, S. Boukedes, Walter Wai-Yip Chan, 2017, Digestive Diseases and Sciences.