Gerhardus Ansgar, Razum Oliver, Zeeb Hajo
Institute for Public Health and Nursing Research, University of Bremen, 28359 Bremen, Germany; Health Sciences Bremen, University of Bremen, 28359 Bremen, Germany.
School of Public Health, Bielefeld University, Bielefeld, Germany.
Lancet. 2015 Aug 29;386(9996):852. doi: 10.1016/S0140-6736(15)00008-2.