1 Department of Orthopaedics, Erasmus Medical Centre, Rotterdam, The Netherlands.
2 Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar University of Sydney, Sydney, New South Wales, Australia.
3 Department of Sports Medicine, Aspetar, Qatar Orthopaedic and Sports Medicine Hospital, Doha, Qatar Amsterdam Center of Evidence Based Sports Medicine, Academic Medical Center, Amsterdam, The Netherlands.