Chinese PLA General Hospital, Beijing, Beijing, China
Peking University third Hospital, Beijing, Beijing, China
Beijing Jishuitan Hospital, Beijing, Beijing, China
Princess Alexandra Hospital, Woolloongabba, Brisbane, Queensland, Australia
UVN, Ruzomberok, Slovakia
BG Unfallklinik, Frankfurt am Main, Germany
Schon Klinik Munchen, Munchen, Germany
Hanyang University Guri Hospital, Guri, Korea, Republic of
Kyungpook National University Hospital, Daegu, Korea, Republic of
Universitätsklinik für Unfallchirurgie, Graz, Austria
Universitätsklinik und Poliklinik für Chirurgie, Rostock, Germany
Universitätsklinikum, Münster, Germany
Töölö Hospital, Helsinki, Finland
AKH Allgemeines Krankenhaus, Wien, Austria
Hospital San Pablo de Coquimbo, Coquimbo, Chile
Hôpital Erasme ULB, Brussels, Belgium
Charité - Universitätsmedizin Berlin, Berlin, Germany
Universitätsklinikum Freiburg, Freiburg, Germany
University Hospital of Münster, Münster, Germany
Liverpool Hospital, Liverpool, New South Wales, Australia
St. Elisabeth Ziekenhuis, Tilburg, Netherlands
Sykehuset I Vestfold, Tønsberg, Norway
Toyama Municipal Hospital, Toyama-city, Japan