1. Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
2. François-Xavier Bagnoud Center, School of Nursing, Rutgers, The State University of New Jersey, Newark, NJ, USA
3. Division of Infectious Diseases and HIV Medicine, Drexel University College of Medicine, Philadelphia, PA, USA
4. AIDS Activities Coordination Office, Philadelphia Department of Health, Philadelphia, PA, USA
5. Pediatric AIDS Chicago Prevention Initiative, Chicago, IL, USA
6. Perinatal HIV Hotline, HIVE, University of California San Francisco, San Francisco, CA, USA