1 The Pennsylvania State University College of Medicine, Hershey, Pennsylvania.
2 Department of Dermatology, UMass Medical Center, Worcester, Massachusetts.
3 Department of Dermatology, Milton S. Hershey Penn State Medical Center, Hershey, Pennsylvania.
4 Department of Public Health Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania.
5 Department of Dermatology, Milton S. Hershey Penn State Medical Center, Hershey, Pennsylvania; Department of Public Health Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania.
6 Department of Dermatology, Milton S. Hershey Penn State Medical Center, Hershey, Pennsylvania. Electronic address: mhelm2@pennstatehealth.psu.edu.