1. Center for Dermatology Research, Departments of Dermatology, Wake Forest School of Medicine, Medical Center Boulevard,
Winston-Salem, NC 27157-1071, USA
2. Center for Dermatology Research, Departments of Pathology, Wake Forest School of Medicine, Medical Center Boulevard,
Winston-Salem, NC 27157-1071, USA
3. Public Health Sciences, Wake Forest School of Medicine,
Winston-Salem, North Carolina, USA