1. Center for Dermatology Research, Department of Dermatology, Wake Forest University School of Medicine, Winston-Salem, NC.
2. Department of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC.
3. Department of Internal Medicine (Section on Rheumatology and Immunology), Wake Forest University School of Medicine, Winston-Salem, NC.
4. Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC.