1. Department of Cardiovascular Surgery, JA Hiroshima General Hospital, Hiroshima, Japan
2. Department of Reconstructive and Plastic Surgery, JA Hiroshima General Hospital, Hiroshima, Japan
3. Department of Diabetes and Metabolic Disease, JA Hiroshima General Hospital, Hiroshima, Japan
4. Department of Rehabilitation in Acute Phase, JA Hiroshima General Hospital, Hiroshima, Japan
5. Department of Cardiovascular Surgery, Hiroshima University Hospital, Hiroshima, Japan