Bayer Ronald, Santelli John, Klitzman Robert
Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, New York.
Heilbrunn Department of Population & Family Health, Mailman School of Public Health, Columbia University, New York, New York.
JAMA. 2015 Jan 6;313(1):29-30. doi: 10.1001/jama.2014.15391.