1. Department of Dermatology Rutgers Robert Wood Johnson Medical School Somerset New Jersey USA
2. Department of Dermatology, Center for Dermatology Research Wake Forest School of Medicine Winston‐Salem North Carolina USA
3. Department of Pathology Wake Forest University School of Medicine Winston‐Salem North Carolina USA
4. Department of Social Sciences and Health Policy Wake Forest University School of Medicine Winston‐Salem North Carolina USA
5. Department of Dermatology University of Southern Denmark Odense Denmark