[1] Virco BVBA, Mechelen, Belgium
[2] BC Ctr Excellence HIV AIDS, Vancouver, BC, Canada
[3] Hosp Ramon y Cajal, E-28034 Madrid, Spain
[4] Gilead Sci, Foster City, CA USA
[5] IATEC, Amsterdam, Netherlands
[6] Boehringer Ingelheim KG, Ridgefield, CT USA
[7] Univ Med & Dent New Jersey, Cooper Hosp, RWJ Med Sch, Camden, NJ 08103 USA
[8] Chelsea & Westminster Healthcare NHS Trust, London, England