Linda Velapi, M Nursing, is a Lecturer, School of Nursing, Faculty of Community and Health Sciences, University of the Western Cape, Cape Town, South Africa. Pat M. Mayers, PhD, MSc (Med Psych), BA Nursing is an Associate Professor, School of Nursing, Faculty of Community and Health Sciences, University of the Western Cape, Cape Town, South Africa. Jose M. Frantz, PhD, MSc Physiotherapy, is the Deputy Vice-Chancellor, Research and Innovation at the University of the Western Cape, Cape Town, South Africa.

*Corresponding author: Pat M. Mayers, e-mail: [email protected]