1. Research Center for the Health Promotion and Employment Support, Osaka Rosai Hospital, Japan
2. Department of Rehabilitation Sciences, Faculty of Allied Health Sciences, Kansai University of Welfare Sciences: 1-11, 3-chome, Asahigaoka, Kashiwara-city, Osaka 582-0026, Japan
3. Central Department of Rehabilitation, Osaka Rosai Hospital, Japan
4. Present address: Central Department of Rehabilitation, Chugoku Rosai Hospital, Japan
5. Center for Diabetes Mellitus, Osaka Rosai Hospital, Japan