1. Division of Dermatology Department of Medicine University of Toronto Toronto ON Canada
2. Women's College Research Institute and Department of Medicine Women's College Hospital Toronto ON Canada
3. Department of Dermatology Warren Alpert Medical School of Brown University Providence RI USA
4. Department of Epidemiology School of Public Health Brown University Providence RI USA
5. Channing Division of Network Medicine Department of Medicine Brigham and Women's Hospital and Harvard Medical School Boston MA USA
6. Department of Emergency Medicine Massachusetts General Hospital and Harvard Medical School Boston MA USA
7. Department of Epidemiology Harvard T.H. Chan School of Public Health Boston MA USA
8. Department of Dermatology Rhode Island Hospital Providence RI USA