1. Department of Dermatology, Tulane University School of Medicine, 1340 Tulane Avenue, New Orleans, LA 70112, USA
2. University of Alabama at Birmingham, Jefferson County Health Department, Birmingham, AL, USA
3. Indiana University School of Medicine, Bell Flower Clinic, Indianapolis, IN, USA
4. State University of New York Health Science Center at Brooklyn, Kings County Hospital Center, STD Clinic, Brooklyn, NY, USA
5. Department of Medicine, Section of Infectious Diseases, Louisiana State University, New Orleans, LA, USA