1. Graduate Institute of Pathology National Taiwan University Taipei Taiwan
2. Department of Pathology National Taiwan University Hospital Taipei Taiwan
3. Department of Medical Research National Taiwan University Hospital Taipei Taiwan
4. Medical Microbiota Center of the First Core Laboratory National Taiwan University College of Medicine Taipei Taiwan
5. Department of Surgery National Taiwan University Hospital Taipei Taiwan
6. Department of Surgery National Taiwan University Hospital, Hsinchu Branch Hsinchu Taiwan