Fig. 1: Map and photos illustrating the SABR study locations in South Africa.

Clockwise, L to R: The three SABR study locations in South Africa; the semi-rural setting of DIMAMO (photo taken by Michèle Ramsay); the semi-rural setting of Agincourt (photo taken by Sarah LeBaron von Baeyer); the urban setting of Soweto (photo taken by Sandra Maytham-Bailey).