Vollmer Sebastian, Alfven Tobias, Padayachy Jude, Harttgen Kenneth, Ghys Peter D, Bärnighausen Till
Department of Economics, University of Göttingen, Germany; Department of Global Health and Population, Harvard School of Public Health, Harvard University, Boston, MA, USA.
UNAIDS, Geneva, Switzerland.
Lancet HIV. 2015 Feb;2(2):e40-1. doi: 10.1016/S2352-3018(15)00004-1. Epub 2015 Jan 29.