1. Department of Physical Therapy, Faculty of Health Sciences, Mejiro University, Saitama, Japan
2. Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
3. Department of Rehabilitation Medicine, Graduate School of Medicine, the University of Tokyo, Tokyo, Japan
4. Department of Pediatrics, Osaka University Graduate School of Medicine, Osaka, Japan
5. Department of Comprehensive Pediatric Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan