Overseas Speakers ※新型コロナウイルス感染症対応のため海外演者の発表はWebまたは動画とさせていただきます。 Donald S. Bae Boston Children's Hospital, USA Nicolaas C. Budhiparama Nicolaas Institute of Constructive Orthopaedic Research & Education Foundation, Indonesia Brian Busconi UMass Memorial Health Care, USA Chih Hwa Chen Department of Orthopaedic Surgery, Shuang Ho Hospital, Taipei Medical University, Taiwan Stefano Della Villa Isokinetic Medical Group, Italy Jeffrey R. Dugas American Sports Medicine Institute, USA Luc Favard Deparment of Orthopedic Surgery, University of TOURS, France Freddie H. Fu University of Pittsburgh, USA Jörg Harrer Regiomed Klinikum Lichtenfels, Germany Ye Huang Beijing Jishuitan Hospital, China Laurent Jacquot Clinique d' Argonay, France Jin-goo Kim Hanyang University, Myong Ji Hospital, Korea Jason Koh NorthShore University, USA Elizaveta Kon Humanitas University and Humanitas Research Hospital, Italy Tron Krosshaug Oslo Sports Trauma Research Center / The Norwegian School of Sport Sciences, Norway Stephan Lyman Hospital for Special Surgery / Kyushu University School of Medicine, USA C. Benjamin Ma University of California, San Francisco,USA Robert G. Marx Hospital for Special Surgery, USA Philippe Neyret University of Lyon / Infirmerie Protestante, France Ibrahim Obeid Bordeaux university, Back Clinic private hospital Jean Villar, France Gil Rodas Medical Associate Professor Barcelona University, Spain Matthew D. Saltzman Northwestern University, USA John W. Xerogeanes Department of Orthopaedic, Emory University School of Medicine, USA Kyoung Ho Yoon Kyung Hee University Hospital, Korea Patrick Yung Department of Orthopaedic, Tranmatology, Chinese University of Hong Kong, Hong Kong Stefano Zaffagnini IRCCS Istituto Ortopedico Rizzoli, Italy