Michael Koller

Differential item functioning (DIF) analyses of health-related quality of life instruments using logistic regression

P. Fayers, N. Aaronson, M. Groenvold, 2010, Health and Quality of Life Outcomes.

UvA-DARE ( Digital Academic Repository ) Differential item functioning ( DIF ) analyses of health-related quality of life instruments using logistic regression

P. Fayers, N. Aaronson, M. Groenvold, 2017 .

An international update of the EORTC questionnaire for assessing quality of life in breast cancer patients: EORTC QLQ-BR45.

N. Aaronson, M. Sprangers, A. Bottomley, 2020, Annals of oncology : official journal of the European Society for Medical Oncology.