1. School of Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
2. Division for Social Medicine and Global Health, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden
3. Department of Sociology and Anthropology, University of Dar es Salaam, Dar es Salaam, Tanzania
4. Programme in Human Sexuality, Department of Family Medicine and Community Health, University of Minnesota, Minneapolis, MN, USA
5. Community Health Education Services & Advocacy (CHESA), Dar es Salaam, Tanzania