1. Graduate Institute of Medical Sciences, National Defense Medical Center; Taipei Taiwan Republic of China
2. Division of Hematology & Oncology, Department of Internal Medicine; Taipei Tzu Chi Hospital; Taipei Taiwan Republic of China
3. Teaching and Research Office, Tri-Service General Hospital Songshan Branch, National Defense Medical Center; Taipei Taiwan Republic of China
4. Division of Colorectal Surgery, Department of Surgery; Tri-Service General Hospital, National Defense Medical Center; Taipei Taiwan Republic of China
5. School of Medicine; National Defense Medical Center; Taipei Taiwan Republic of China
6. School of Public Health; National Defense Medical Center; Taipei Taiwan Republic of China
7. Division of Gastroenterology, Department of Internal Medicine; Tri-Service General Hospital, National Defense Medical Center; Taipei Taiwan Republic of China
8. Graduate Institute of Life Sciences, National Defense Medical Center; Taipei Taiwan Republic of China
9. Department and Graduate Institute of Microbiology and Immunology; National Defense Medical Center; Taipei Taiwan Republic of China