1. Department of General and Special Surgery, Faculty of Medicine, The Hashemite University, Zarqa, Jordan
2. Sydney Knee Specialists, Kogarah, New South Wales, Australia
3. St George Private Hospital, Kogarah, New South Wales, Australia
4. St George Private Hospital Nuclear Medicine, Kogarah, New South Wales, Australia
5. Ingham Institute for Applied Medical Research, South Western Sydney Clinical School, University of New South Wales, Sydney, New South Wales, Australia
6. St George Hospital Clinical School, University of New South Wales, Sydney, New South Wales, Australia