Carren Ginsburg, Chantel Pheiffer, Mark A Collinson and Michael White

Carren Ginsburg, senior researcher in public health, University of the Witwatersrand; Chantel Pheiffer, assistant professor in urban public health, UMass Boston; Mark A Collinson, reader in population and public health, MRC/Wits Rural Public Health and Health Transitions Research Unit, School of Public Health, University of the Witwatersrand, and Michael White, professor emeritus of Sociology, Brown University