Balgrist University Hospital, Zürich, Zurich, Switzerland
University of Iowa Sports Medicine, Iowa City, Iowa, United States
Brooke Army Medical Center, San Antonio, Texas, United States
United States Army Research Institute of Environmental Medicine, Natick, Massachusetts, United States
Department of Orthopedics, Xijing Hospital, The Air Force Medical University, Xi'an, Shanxi, China
Norfolk and Norwich University Hospitals Foundation Trust, Norwich, Norfolk, United Kingdom
Fort Jackson, Columbia, South Carolina, United States
Tampere University Hospital, Tampere, Pirkanmaa, Finland
SataSairaala, Pori, Satakunta, Finland
Turku University Hospital, Turku, Varsinais-Suomi, Finland
Darlington Memorial Hospital, Darlington, County Durham, United Kingdom