1. Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan
2. Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan
3. Oriental Institute of Technology, New Taipei City, Taiwan
4. Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, Taipei City, Taiwan
5. Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei City, Taiwan
6. Department of Dermatology, National Taiwan University Hospital and College of Medicine, Taipei City, Taiwan
7. Department of Dermatology, Taipei City Hospital, Taipei City, Taiwan
8. Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu City, Taiwan