1. Division of Geriatrics and Gerontology; Department of Internal Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
2. Graduate Institute of Medicine; College of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
3. Division of Rheumatology, Allergy and Immunology; Department of Internal Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
4. Department of Biomedical Science and Environmental Biology; College of Life Science; Kaohsiung Medical University; Kaohsiung Taiwan
5. Institute of Biomedical Science; National Sun Yat-sen University; Kaohsiung Taiwan