1. Division of Gastroenterology, Department of Internal Medicine Tri‐Service General Hospital, National Defense Medical Centre Taipei Taiwan
2. Division of Experimental Pathology, Department of Pathology Tri‐Service General Hospital, National Defense Medical Centre Taipei Taiwan
3. Division of Haematology/Oncology, Department of Internal Medicine Tri‐Service General Hospital, National Defense Medical Centre Taipei Taiwan
4. Division of Cardiology, Department of Internal Medicine Tri‐Service General Hospital, National Defense Medical Centre Taipei Taiwan