1. Institute of Clinical Medicine, National Yang-Ming University; Taipei Taiwan
2. Department of Medicine and Infection Control; E-Da Hospital/I-Shou University; Kaohsiung Taiwan
3. School of Medicine; National Yang-Ming University; Taipei Taiwan
4. Department of Internal Medicine; Kaohsiung Veterans General Hospital; Kaohsiung Taiwan
5. Kaohsiung Medical University Hospital, Kaohsiung Medical University; Kaohsiung Taiwan
6. Department of Internal Medicine; National Cheng Kung University Hospital; Tainan Taiwan
7. Department of Medicine; Medical College of National Cheng Kung University; Tainan Taiwan
8. Division of Gastroenterology, Department of Medicine; Taipei Veterans General Hospital; Taipei Taiwan
9. Section of Infectious Diseases; Taipei City Hospital, Taipei City Government; Taipei Taiwan
10. Department of General Surgery; E-Da Hospital/I-Shou University; Kaohsiung Taiwan
11. Translational Research Division, Medical Research Department; Taipei Veterans General Hospital; Taipei Taiwan