1. East Carolina University Brody School of Medicine , Greenville, NC , USA
2. Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine , Winston-Salem, NC , USA
3. Department of Dermatology and Allergy Centre, Odense University Hospital , Odense , Denmark
4. Clinical Institute, Health Sciences, University of Southern Denmark , Odense , Denmark
5. Department of Pathology, Wake Forest School of Medicine , Winston-Salem, NC , USA
6. Department of Social Sciences & Health Policy, Wake Forest School of Medicine , Winston-Salem, NC , USA