- Correspondence to Professor Wayne Derman, Institute of Sport and Exercise Medicine, Division of Orthopaedic Surgery, Faculty of Medicine and Health Science, Room 4019, 4th Floor, Clinical Building, Tygerberg Medical Campus, Francie van Zijl Drive, Bellville, Cape Town 7505, South Africa;
- Accepted April 19, 2016
- First published May 9, 2016.
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