School of Health and Rehabilitation Sciences, University of Cape Town, South Africa
Correspondence to Associate Professor Jennifer Jelsma, PhD, Division of Physiotherapy, School of Health and Rehabilitation Sciences, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory 7925, South Africa
Tel: +27 21 406 6402; fax: +27 21 448 8157;
e-mail: [email protected]
Received 22 April 2008 Accepted 4 March 2009