1 Institute for Integrated Sports Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. [email protected].
2 Department of Orthopaedic Surgery, Keiyu Orthopaedic Hospital, Gunma, Japan.
3 Department of Neurology, Mitate Hospital, Fukuoka, Japan.
4 Institute for Integrated Sports Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.