Morris, Linzette Deidré BSc, PT*; Louw, Quinette Abegail PhD*; Grimmer-Somers, Karen PhD†
*Faculty of Health Sciences, Division of Physiotherapy, Stellenbosch University, Tygerberg, South Africa
†Division of Health Sciences, University of South Australia, City East Campus, North Terrace, Australia
Reprints: Linzette Deidré Morris, BSc, PT, Faculty of Health Sciences, Division of Physiotherapy, Stellenbosch University, PO Box 19063, Tygerberg 7505, South Africa (e-mail: [email protected]).
Received for publication July 11, 2008; revised April 8, 2009; accepted April 13, 2009
Competing interests: The authors declare that they have no competing interests.