title: Cohort studies: part 1.
authors.affiliation: Bern, Switzerland, and Corfu, Greece.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Pandis
mesh_terms: D015331:Cohort Studies; D018865:Dental Research; D005500:Follow-Up Studies; D006801:Humans; D064887:Observational Studies as Topic; D011446:Prospective Studies; D012107:Research Design; D012189:Retrospective Studies; D012306:Risk