1. Department of Nutrition, Iga City General Hospital, Iga, Mie 518‑0823, Japan
2. Health Care and Nutritional Science Institute, Morinaga Milk Industry Co., Ltd., Zama, Kanagawa 252‑8583, Japan
3. Cancer Center, Aichi Medical University, Nagakute, Aichi 480‑1195, Japan
4. Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Tsu, Mie 514‑8507, Japan
5. Heiikukai Medical Corporation, Tokyo 103‑0002, Japan
6. Department of Surgery, Iga City General Hospital, Iga, Mie 518‑0823, Japan