title: The secret of immortal time bias in epidemiologic studies.
authors.affiliation: Division of Nephrology, University of Western Ontario, London, Ontario, Canada.
authors.forename: Salimah Z
authors.initials: SZ
authors.lastname: Shariff
authors.forename: Meaghan S
authors.initials: MS
authors.lastname: Cuerden
authors.forename: Arsh K
authors.initials: AK
authors.lastname: Jain
authors.forename: Amit X
authors.initials: AX
authors.lastname: Garg
mesh_terms: D015982:Bias; D006801:Humans; D053208:Kaplan-Meier Estimate; D007676:Kidney Failure, Chronic / Q000401:mortality*; D013997:Time Factors