1. School of Medicine, College of Medicine, Medical University, Taipei, Taiwan
2. Department of Dermatology, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
3. School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan
4. Department of Public Health, Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
5. Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
6. Kuanshi clinic