1. Center for Dermatology Research; Wake Forest School of Medicine; Winston-Salem NC USA
2. Department of Dermatology; Wake Forest School of Medicine; Winston-Salem NC USA
3. Department of Pathology; Wake Forest School of Medicine; Winston-Salem NC USA
4. Department of Social Science and Health Policy; Division of Public Health Sciences; Wake Forest School of Medicine; Winston-Salem NC USA
5. Center for Worker Health; Wake Forest School of Medicine; Winston-Salem NC USA
6. Department of Epidemiology and Prevention; Division of Public Health Sciences; Wake Forest School of Medicine; Winston-Salem NC USA
7. Department of Biostatistical Sciences; Wake Forest School of Medicine; Winston-Salem NC USA
8. Department of Family and Community Medicine; Wake Forest University School of Medicine; Winston-Salem NC USA