1. South African Medical Research Council/Stellenbosch University Genomics of Brain Disorders Research Unit, Department of Psychiatry, Stellenbosch University, Cape Town, South Africa
2. South African PTSD Programme of Excellence, Department of Psychiatry, Faculty of Medicine and Health Sciences, Cape Town, South Africa
3. Department of Psychology, University of Kassel, Kassel, Germany
4. Department of Psychology, College of Human Sciences, University of South Africa, Pretoria, South Africa
5. Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
6. Medical Faculty, Institute of Psychosomatic, Sigmund Freud Private University, Austria