Branas Charles C, Macdonald John M
Department of Biostatistics and Epidemiology, School of Medicine (Dr Branas), Department of Criminology, School of Arts and Sciences (Dr MacDonald), and Urban Health Lab www.urbanhealthlab.org (Drs Branas and MacDonald), University of Pennsylvania, Philadelphia.
J Public Health Manag Pract. 2014 Mar-Apr;20(2):157-9. doi: 10.1097/PHH.0000000000000051.