1. Advanced Nursing Sciences, School of Health Sciences, University of Venda, Private Bag X5050, Thohoyandou, South Africa 0950
2. Department of Nursing Science, University of Limpopo, Private Bag X1106, Sovenga, South Africa 0727
3. University of Venda, Department of Consumer Sciences, Private Bag X5050, Thohoyandou, South Africa 0950