1. Harvard T.H. Chan School of Public Health, Boston, Massachusetts
2. Cambridge Health Alliance, Harvard Medical School, Cambridge, Massachusetts
3. Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Limassol, Cyprus
4. Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
5. Public Safety Medical, Indianapolis, Indiana
6. Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University, Indianapolis