1. Department of Dermatology; Beth Israel Deaconess Medical Center and Harvard Medical School; Boston MA U.S.A
2. Channing Division of Network Medicine; Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston MA U.S.A
3. Department of Epidemiology; Harvard T.H. Chan School of Public Health; Boston MA U.S.A
4. Department of Psychiatry; Brigham and Women's Hospital and Harvard Medical School; Boston MA U.S.A
5. Department of Nutrition; Harvard T.H. Chan School of Public Health; Boston MA U.S.A
6. Department of Epidemiology; Brown School of Public Health; Providence RI U.S.A
7. Department of Dermatology; Warren Alpert Medical School; Brown University; Providence RI U.S.A