title: Cohort studies: part 2.
authors.affiliation: Bern, Switzerland, and Corfu, Greece.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Pandis
mesh_terms: D015982:Bias; D015331:Cohort Studies; D006801:Humans; D059012:Lost to Follow-Up; D064887:Observational Studies as Topic; D015588:Observer Variation; D015203:Reproducibility of Results; D012107:Research Design / Q000706:statistics & numerical data