1. Department of Pediatrics, Taipei City Hospital Renai Branch and National Yang-Ming University, Taipei, Taiwan
2. Massachusetts General Hospital for Children, Boston3Channing Division of Network Science, Brigham and Women’s Hospital, Boston, Massachusetts
3. Kanawha-Charleston Health Department, Charleston, West Virginia
4. Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
5. Department of Dermatology, National Institute of Pediatrics, Mexico City, Mexico