1. Division of Primary Care and Population Health, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94035, USA.
2. Heidelberg Institute of Global Health (HIGH), Heidelberg University, 69120 Heidelberg, Germany.
3. School of Public Health, University of the Witwatersrand, Braamfontein, 2000 Johannesburg, South Africa.
4. Clinton Health Access Initiative, Mbabane H100, Eswatini.
5. Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA.
6. Department of Global HIV, Hepatitis and STI Programmes, World Health Organization, CH-1211 Geneva 27, Switzerland.
7. Department of Ophthalmology, University of California, San Francisco, San Francisco, CA 94115, USA.
8. Francis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA 94122, USA.
9. Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA 94158, USA.
10. Eswatini National AIDS Programme, Ministry of Health, Government of the Kingdom of Eswatini, Mbabane H100, Eswatini.
11. Africa Health Research Institute, Somkhele, Mtubatuba 3935, South Africa.
12. Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA.