1. Biostatistics Research Unit, South African Medical Research Council, Durban, South Africa
2. School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Durban, South Africa
3. USAID Strategic Information Technical Support (SITES), Social & Scientific Systems, Inc., a DLH Holding Company, Kampala, Uganda
4. School of Public Health, College of Health Sciences, Makerere University, Kampala, Uganda
5. Epidemiology and Biostatistics Division, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa
6. Center for Statistics, Data Science Institute, Hasselt University, Diepenbeek, Belgium;
7. School of Science and Aerospace Studies, Moi University, Eldoret, Kenya
8. Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
9. Biometrics Research Group, Ghent University, Merelbeke, Belgium
10. School of Statistics and Mathematical Sciences, North-West University, Potchefstroom Campus, Potchefstroom, South Africa