1. Division of Cancer Survivorship Research, Center for Cancer Control and Information Services; National Cancer Center; Tokyo Japan
2. Department of Surgery; Dokkyo Medical University Koshigaya Hospital; Saitama Japan
3. First Department of Surgery; Dokkyo University School of Medicine; Tochigi Japan
4. University of Tokyo; Tokyo Japan
5. Department of Public Health, School of Medicine; Dokkyo Medical University; Tochigi Japan