1. Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA
2. Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine Boston University Boston Massachusetts USA
3. Center for Global Health, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
4. Department of Dermatology Massachusetts General Hospital Boston Massachusetts USA
5. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts USA
6. School of Medicine Chung Shan Medical University Taichung Taiwan
7. Division of Allergy, Immunology & Rheumatology, Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan
8. College of Medicine National Taiwan University Taipei Taiwan