1 1Collaborating Centre of Sports Medicine for Anti-Doping Research, University of Brighton, Brighton, United Kingdom; 2Department of Movement, Human and Health Sciences, University of Rome "Foro Italic", Rome, Italy; 3International Federation of Sports Medicine (FIMS), Lausanne, Switzerland; 4Fédération Internationale des Sociétés d'Aviron (FISA), Lausanne, Switzerland; 5Orthopaedic Center Theresie, Munich, Germany; 6International Bobsleigh and Skeleton Federation (IBSF), Lausanne, Switzerland; 7Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States of America; and 8Dept of Orthopedics, Nemours/A. I. duPont Hospital for Children, Wilmington, DE, United States of America.