About the Authors

Tetsuya Hasegawa

Roles Data curation, Investigation, Methodology, Writing – original draft

hasegawatetsuya1986@gmail.com

Affiliation Rehabilitation Center, Tochigi Medical Association Shiobara Spa Hospital, Nasushiobara-shi, Tochigi, Japan

Junji Katsuhira

Roles Formal analysis, Writing – review & editing

Affiliation Faculty of Medical Technology, Department of Prosthetics and Orthotics and Assistive Technology, Niigata University of Health and Welfare, Kita-ku, Niigata-shi, Niigata, Japan

Hiroyuki Oka

Roles Formal analysis

Affiliation Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical and Research Center, Faculty of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan

Tomoko Fujii

Roles Writing – review & editing

Affiliation Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical and Research Center, Faculty of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan

Ko Matsudaira

Roles Funding acquisition, Project administration, Supervision

Affiliation Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical and Research Center, Faculty of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan

Competing Interests

KM and JK are share holders of Trunk Solution CO., Ltd. JK is a director of Trunk Solution CO., Ltd. KM is a adviser of Trunk Solution CO., Ltd. KM received the following support: grant support, including an endowed chair from Sumitomo Dainippon Pharma Co., Ltd. and Okamura Corporation; grant support, including an endowed chair and lecture fees from AYUMI Pharmaceutical Corporation, Nippon Zoki Pharmaceutical Co., Ltd., Ono Pharmaceutical Co., LTD., Eli Lilly Japan K.K., Astellas Pharma Inc., TOTO LTD., and Eisai Co., Ltd.; lecture fees from Pfizer Japan Inc., Hisamitsu Pharmaceutical Co., Inc., Janssen Pharmaceutical K.K., Kaken Pharmaceutical Co., LTD., and Teijin Pharma Limited; and lecture fees and advisory fees from Shionogi & Co., Ltd., outside the submitted work. HO received grants from Teijin Pharma Limited, grants from Pfizer Inc., grants from Fujifilm Medical Co., Ltd., grants and personal fees from AYUMI Pharmaceutical Corporation, grants and personal fees from Nippon Zoki Pharmaceutical Co., Ltd., grants and personal fees from Ono Pharmaceutical Co., LTD., grants from Eli Lilly Japan K.K. and Murata Manufacturing Co., Ltd. outside the submitted work. TF and JK received the following support: grant from Murata Manufacturing Co., Ltd. HO report grants from TEIJIN PHARMA LIMITED., grants from Pfizer Inc., grants from FUJIFILM Medical Co., Ltd., grants, personal fees from AYUMI Pharmaceutical Corporation, grants, personal fees from Nippon Zoki Pharmaceutical Co., Ltd., grants, personal fees from ONO PHARMACEUTICAL CO., LTD., grants from Eli Lilly Japan K.K., outside the submitted work. This does not alter our adherence to PLOS ONE policies on sharing data and materials.