1. Department of Dentistry, Bobath Memorial Hospital, Osaka, Japan
2. Department of Dentistry, Morinomiya Hospital and Bobath Memorial Hospital.
3. Department of Dentistry, Morinomiya Hospital and Graduate School of Management Development and Information Sciences, Nihon Fukushi University, Aichi.
4. Department of Dentistry, Bobath Memorial Hospital and Part-time Dentist, Department of Dentistry, Morinomiya Hospital.