1. PhD Fellow, Amsterdam Institute for Social Science Research, University of Amsterdam, Amsterdam, the Netherlands. Correspondence:
2. Assistant Professor, African Studies Centre Leiden, Leiden University, Leiden, The Netherlands
3. Associate Professor, Department of Sociology and Anthropology, School of Social Sciences, Makerere University, Kampala, Uganda
4. Professor of Medical Anthropology, Leiden University Medical Center, Leiden University, Leiden, The Netherlands; Associate Professor, Department of Anthropology, University of Amsterdam, Amsterdam, The Netherlands; Honorary Professor, The Children's Institute, University of Cape Town, Cape Town, South Africa