Jan Nielsen

Analyzing multivariate survival data using composite likelihood and flexible parametric modeling of the hazard functions.

Jan Nielsen, Erik T Parner, 2010, Statistics in medicine.

Heritability of spinal pain and consequences of spinal pain: a comprehensive genetic epidemiologic analysis using a population-based sample of 15,328 twins ages 20-71 years.

Werner Vach, Jan Nielsen, Ivan Iachine, 2009, Arthritis and rheumatism.

Pain in the lumbar, thoracic or cervical regions: do age and gender matter? A population-based study of 34,902 Danish twins 20–71 years of age

Jan Nielsen, René Fejer, Jan Hartvigsen, 2009, BMC musculoskeletal disorders.