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Yasunari Fujii
The Health Service Center, National Institute of Fitness and Sports in Kanoya
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Hironori Kakoi
Department of Orthopaedic Surgery, Kagoshima University, School of Medicine
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Tadashi Ogura
Koshinkai Ogura Hospital
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Toshihiko Izumi
Department of Orthopaedic Surgery, Kagoshima University, School of Medicine