title: Cohort studies: marching forward.
authors: Renal Unit, Massachusetts General Hospital, Boston, MA 02114, USA. rthadhani@partners.org
authors: Ravi
authors: R
authors: Thadhani
authors: Marcello
authors: M
authors: Tonelli
mesh_terms: D015982:Bias; D035843:Biomedical Research / Q000379:methods* / Q000706:statistics & numerical data; D015331:Cohort Studies; D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D016021:Epidemiologic Studies; D006801:Humans; D053208:Kaplan-Meier Estimate; D007676:Kidney Failure, Chronic / Q000453:epidemiology / Q000209:etiology; D009398:Nephrology / Q000379:methods* / Q000706:statistics & numerical data; D018570:Risk Assessment; D012307:Risk Factors