1. Philadelphia FIGHT, Clinical Care, Philadelphia, Pennsylvania, USA.
2. Epividian, Epidemiology, Durham, North Carolina, USA.
3. AIDS Healthcare Foundation, New York, New York, USA.
4. NYU Langone Medical Center, Department of Medicine, New York, New York, USA.
5. ViiV Healthcare, Research Triangle Park, North Carolina, USA.
6. ViiV Healthcare, Brentford, United Kingdom.
7. GlaxoSmithKline, Uxbridge, Middlesex, United Kingdom.
8. Massachusetts General Hospital, Division of Endocrinology, Boston, Massachusetts, USA.
9. Harvard Medical School, Boston, Massachusetts, USA.