1. Department of Paediatrics & Child Health, Grey’s Hospital, Pietermaritzburg, South Africa
2. Department of Paediatrics & Child Health, University of KwaZulu-Natal, Pietermaritzburg, South Africa
3. Department of Clinical Psychology, Grey’s Hospital, Pietermaritzburg, South Africa
4. Department of Psychiatry, University of KwaZulu-Natal, Pietermaritzburg, South Africa