1. Department of Rehabilitation, Aichi Cancer Center Hospital, Nagoya 464-8681, Japan
2. Department of Speech Pathology, Aichi-Gakuin University,Nisshin, 470-0195, Japan
3. Department of Gastroenterological Surgery, Aichi Cancer Center Hospital, Nagoya 464-8681, Japan
4. Department of Orthopedic Surgery, Aichi Cancer Center Hospital, Nagoya 464-8681, Japan