Published on in Vol 8, No 8 (2020): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17191, first published
.
1 SH:24, London, United Kingdom
2 Sexual Health Research Group, King's Centre for Global Health and Health Partnerships,, King's College London, London, United Kingdom
3 Department of Sexual Health and HIV, Kings College Hospital National Health Service Foundation Trust, London, United Kingdom