1. Harvard T. H. Chan School of Public Health, Boston, MA, USA;
2. NRF/DST South African Research Chairs Initiative, PTSD Program, Stellenbosch University, Cape Town, South Africa;
3. HIV Neurobehavioral Research Center at the University of California, La Jolla, CA, USA;
4. VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA;
5. Chester M. Pierce Division of Global Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA;
6. Boston Medical Center, Boston University, Boston, MA, USA