1. Department of Pathology and Laboratory MedicineMedical University of South Carolina Charleston South Carolina
2. Department of Dermatology, Renji Hospital, School of MedicineShanghai Jiao Tong University Shanghai China
3. Department of Dermatology and Dermatologic SurgeryMedical University of South Carolina Charleston South Carolina
4. Department of Public Health SciencesMedical University of South Carolina Charleston South Carolina