1. Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital—Bispebjerg and Frederiksberg, Copenhagen, Denmark
2. Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
3. Central Science Laboratory, University of Tasmania, Hobart, Tasmania, Australia
4. Murdoch Children’s Research Institute, Royal Children’s Hospital, Melbourne, Victoria, Australia
5. Department of Paediatrics, University of Melbourne, Melbourne, Victoria, Australia
6. Department of Physical and Occupational Therapy, Copenhagen University Hospital—Bispebjerg and Frederiksberg, Copenhagen, Denmark