1. Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
2. Department of Medical Research, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
3. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
4. Center for Global Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
5. Department of Dermatology, Massachusetts General Hospital, Boston, MA 02114, USA
6. Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
7. Department of Obstetrics & Gynecology, National Taiwan University Hospital & College of Medicine, Taipei 11031, Taiwan
8. Department of Medicine, Mount Auburn Hospital, Cambridge, MA 02138, USA
9. Harvard Medical School, Harvard University, Boston, MA 02115, USA
10. Department of Medicine, National Taiwan University, Taipei 10617, Taiwan
11. School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
12. Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung 40201, Taiwan