title: Commentary: Three worlds collide: Berkson's bias, selection bias and collider bias.
authors.affiliation: Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK and Centre for Public Health Research, Massey University, Wellington, New Zealand and Cancer Epidemiology Unit, Department of Medical Sciences, University of Turin and CPO-Piemonte, Italy.
authors.forename: Neil
authors.initials: N
authors.lastname: Pearce
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Richiardi
mesh_terms: D015982:Bias; D004812:Epidemiologic Methods; D006753:Hospital Records / Q000706:statistics & numerical data*