1 Department of Rehabilitation, Saitama Medical University International Medical Center, 1397-1, Yamane, Hidaka, Saitama 350-1298, Japan. Electronic address: fkazuhiro.68@gmail.com.
2 Department of Physical Therapy, Faculty of Health Sciences, Juntendo University, 3-2-12, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
3 Department of Rehabilitation, Saitama Medical University International Medical Center, 1397-1, Yamane, Hidaka, Saitama 350-1298, Japan.
4 Department of Rehabilitation, Tokyo Saiseikai Central Hospital, 1-4-17 Mita, Minato-ku, Tokyo, 108-0073, Japan.
5 Department of Rehabilitation, Saitama Citizens Medical Center, 299-1, Shimane, Nishi-ku, Saitama, Saitama, 331-0054, Japan.
6 Department of Rehabilitation, Saitama Sekishinkai Hospital, 2-37-20, Irumagawa, Sayamashi, Saitama, 350-1305, Japan.
7 Department of Rehabilitation, Sainokuni Higashiomiya Medical Center, 1522, Torocyo, kita-ku, Saitama, Saitama, 331-8577, Japan.
8 Department of Physical Therapy, Faculty of Human Health Sciences, Tokyo Metropolitan University, 7-2-10, Higashi-Ogu, Arakawa-ku, Tokyo 116-8551, Japan.