title: Positioning epidemiology in a changing environment over the next 25 years: introduction.
authors.affiliation: Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI 48109-2029 , USA.
authors.forename: David
authors.initials: D
authors.lastname: Schottenfeld
mesh_terms: D019049:Developed Countries; D003906:Developing Countries; D004813:Epidemiology / Q000266:history / Q000639:trends*; D005544:Forecasting; D014943:Global Health; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D011634:Public Health / Q000639:trends