1. Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama, Japan
2. Clinical Genomic Medicine, Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama, Japan
3. Department of Clinical Oncology, Kawasaki Medical School, Kurashiki City, Japan
4. Obstetrics and Gynecology, Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama, Japan