You can read the full op ed here. 

Stefani Du Toit and Dr Stephan Rabie are research psychologists and senior research officers in the HIV Mental Health Research Unit at the University of Cape Town. Casey Fredericks, Gameedah Slarmie, Mfanelo Ncukana, Nonkanyiso Molatoli and Roxanne Pelteret are interns in the Unit. Professor John Joska is Head of Clinical Services (psychiatry) at Groote Schuur Hospital and Director of the UCT HIV Mental Health Research Unit.