1 Department of Rehabilitation, Kitasato University Hospital, Sagamihara, Japan.
2 Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan; Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan.
3 Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan.
4 Department of Orthopaedic Surgery, Kitasato University School of Medicine, Sagamihara, Japan; Department of Patient Safety and Healthcare Administration, Kitasato University School of Medicine, Sagamihara, Japan.
5 Department of Orthopaedic Surgery, Kitasato University School of Medicine, Sagamihara, Japan.
6 Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan; Department of Rehabilitation, School of Allied Health Sciences, Kitasato University, Sagamihara, Japan.