1. Department of Dietetics, Nelson Mandela University, Port Elizabeth, South Africa
2. Dietetics Department, Department of Health, Tayler Bequest Hospital, Matatiele, South Africa
3. Dietetics Department, Department of Health, Settlers Hospital, Grahamstown, South Africa
4. Dietetics Department, Department of Health, Port Elizabeth Provincial Hospital, Port Elizabeth, South Africa
5. Nursing Department, Nelson Mandela University, Port Elizabeth, South Africa
6. Department of Statistics, Nelson Mandela University, Port Elizabeth, South Africa