1. Physiotherapy Division; Department of Interdisciplinary Health Sciences; Faculty of Health Sciences; Stellenbosch University; Cape Town South Africa
2. Physiotherapy Department; Faculty of Health Sciences; University of the Witwatersrand; Johannesburg South Africa
3. Sklaar; Laidler & Associate Physiotherapists; Johannesburg South Africa
4. School of Physiotherapy; University of Notre Dame Australia; Fremantle Western Australia Australia