1. Division of Geriatrics and Gerontology, Department of Internal MedicineKaohsiung Medical University Hospital Kaohsiung Taiwan
2. Department of Internal MedicineKaohsiung Municipal Cijin Hospital Kaohsiung Taiwan
3. Department of Nuclear MedicineKaohsiung Medical University Hospital Kaohsiung Taiwan
4. Department of Public Health, College of Health ScienceKaohsiung Medical University Kaohsiung Taiwan
5. Department of Medicine, College of MedicineKaohsiung Medical University Kaohsiung Taiwan
6. Division of Gastroenterology, Department of Internal MedicineKaohsiung Medical University Hospital Kaohsiung Taiwan
7. Department of Internal MedicineKaohsiung Municipal Ta‐Tung Hospital Kaohsiung Taiwan
8. Department of Internal MedicineKaohsiung Municipal Hsiao‐Kang Hospital Kaohsiung Taiwan