1. Georgia Department of Public Health; Chatham Care Center; Savannah GA USA
2. Grahame Hayton Unit; Royal London Hospital and Queen Mary University; London UK
3. Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center; Torrance CA USA
4. Mills Clinical Research; Los Angeles CA USA
5. Central Texas Clinical Research; Austin TX USA
6. Orlando Immunology Center; Orlando FL USA
7. King's College Hospital; London UK
8. Clinical Research Puerto Rico Inc.; San Juan Puerto Rico
9. AIDS Research Consortium of Atlanta; Atlanta GA USA
10. Triple O Research Institute PA; West Palm Beach FL USA
11. Capital Medical Associates; Washington DC USA
12. ICH Study Center; Hamburg Germany
13. The Research Institute; Springfield MA USA
14. Gilead Sciences Inc; Foster City CA USA