1. Department of Dermatology Johns Hopkins University School of Medicine Baltimore Maryland USA
2. Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania USA
3. Department of Child and Adolescent Psychiatry Johns Hopkins University School of Medicine Baltimore Maryland USA
4. University of Maryland School of Medicine Baltimore Maryland USA
5. Department of Dermatology University of California‐San Francisco School of Medicine San Francisco California USA
6. Department of Health Sciences, School of Medicine University of North Carolina‐Chapel Hill Chapel Hill North Carolina USA
7. Department of Epidemiology Johns Hopkins University Bloomberg School of Public Health Baltimore Maryland USA