Sports Orthopedic Research Center, Arthroscopic Centre Amager, Amager-Hvidovre Hospital, Faculty of Health Sciences, University of Copenhagen, Denmark. Physical Medicine and Rehabilitation – Copenhagen (PMR-C), Amager- Hvidovre Hospital, Copenhagen University Hospital. April to June 2015, and February to March 2017. La Trobe Sport and Exercise Research Centrer. La Trobe University, Melbourne. Australia. February to May 2018.