1. Institute of global Health, University of Geneva, Geneva, Switzerland
2. Joint United Nations Programme on HIV/AIDS (UNAIDS), Geneva, Switzerland
3. Medical Faculty, Institute for Medical Information Processing, Biometry, and Epidemiology, Ludwig Maximilians University, München, Germany
4. Centre for Social Science Research, University of Cape Town, Cape Town, South Africa
5. Department of Economics Faculty of Business and Economics (HEC), University of Lausanne, Lausanne, Switzerland
6. Social Work and Sociology, University of Zambia, Lusaka, Zambia
7. Disability Inclusion Project Luapula, Internatgonal Labour Organisation, Lusaka, Zambia
8. Palm Associates Limited, Lusaka, Zambia
9. Economics and Agricultural Sciences, University of Zambia, Lusaka, Zambia