1. Department of Medicine, Division of Gastroenterology, National Defense Medical Center, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C.
2. Department of Medical Research, National Defense Medical Center, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C.
3. School of Public Health, National Defense Medical Center, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C.
4. Department of Otolaryngology‑Head and Neck Surgery, National Defense Medical Center, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C.
5. Department of Medicine, Division of Nephrology, National Defense Medical Center, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C.
6. Department of Medicine, Division of Hematology/Oncology, National Defense Medical Center, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C.