1. Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA
2. Center for Global Health, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
3. Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine Boston University Boston Massachusetts USA
4. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
5. Department of Dermatology Massachusetts General Hospital Boston Massachusetts USA
6. Oral and Maxillofacial Surgery, Massachusetts General Hospital Harvard School of Dental Medicine Boston Massachusetts USA
7. Department of Otolaryngology Chung Shan Medical University Hospital Taichung Taiwan
8. Institute of Medicine Chung Shan Medical University Taichung Taiwan
9. Division of Allergy, Immunology and Rheumatology Chung Shan Medical University Hospital
10. Graduate Institute of Integrated Medicine China Medical University Taichung Taiwan
11. College of Medicine Texas A&M University College Station Texas USA