1. Penn State College of Medicine; Pennsylvania State University; Hershey Pennsylvania
2. Department of Dermatology; Hershey Medical Center; Pennsylvania State University; Hershey Pennsylvania
3. School of Medicine; University of California at San Diego; San Diego California
4. Department of Dermatology; University of California at San Francisco; San Francisco California
5. Department of Pediatrics; University of California at San Francisco; San Francisco California
6. Department of Pediatrics; Hershey Medical Center; Pennsylvania State University; Hershey Pennsylvania