1. a Department of Medicinal Chemistry, College of Pharmacy; Department of Chemistry, College of Literature, Sciences and Arts; Department of Biologic and Materials Sciences, School of Dentistry , University of Michigan , Ann Arbor , Michigan , 48109-1065
2. b Michigan Department of Community Health, Bureau of Epidemiology, HIV/AIDS Surveillance Section , Herman Kiefer Health Complex, Room 210B 1151 Taylor, Detroit , Michigan , 48202