1. Division of Dermatology Groote Schuur Hospital University of Cape Town Cape Town South Africa
2. Department of Psychiatry and Mental Health Groote Schuur Hospital University of Cape Town Cape Town South Africa
3. SA MRC Unit on Risk and Resilience in Mental Disorders Cape Town South Africa
4. Hair and Skin Research Laboratory Division of Dermatology Groote Schuur Hospital University of Cape Town Cape Town South Africa