1. Faculty of Medicine and Health Sciences, Department of Psychiatry, Stellenbosch University, Cape Town, South Africa
2. Faculty of Medicine and Health Sciences, South African Medical Council Unit on the Genomics of Brain Disorders, Department of Psychiatry, Stellenbosch University, Cape Town, South Africa
3. Gender and Health Research Unit, South African Medical Research Council, Cape Town, South Africa
4. South African Medical Research Council – Biostatistics Unit, Cape Town, South Africa
5. School of Psychology, David Keir Building, Queen’s University Belfast, Belfast, Northern Ireland
6. Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA