Peggy K. Naicker, MA (HlthSc), AdvDipNursEd, DipICU, BSoc (Nur), RN, CCRN School of Health Sciences, University of South Africa, Midrand, South Africa
Gisela H. Van Rensburg, DLittetPhil, MACur, BACur (Hons), BACur, RN, RM, RCN, RPN Department of Health Studies, University of South Africa, Pretoria, South Africa