Methods S1 (DOC) Acknowledgments Protocol S1 THE ANRS EP45 ‘‘AGING’’ STUDY. http:// clinicaltrials.gov/, NCT01038999. (PDF) Cell viability and western blot procedures. We thank patients who participated in this trial and all study investigators and participating centres. We thank Sandrine Couffin-Cadiergues (ANRS) and Lucie Marchand (ANRS) for their study follow up. We particularly thank Caroline Debreux (Clinical Research Assistant, Marseille), Gilda Soprano (Clinical Research Assistant, Montpellier) and Marie-Ange Serini (Clinical Research Assistant, Nice) for their excellent assistance in study coordination, and Samira Miloudi (Clinical Research Assistant, Marseille) for her clinical data quality checking. We wish to acknowledge Sophie Thire´e, Lydie Melas, Chantal Fossat, Ge´rald Gregori and Ste´phane Robert References 1. Guaraldi G, Orlando G, Zona S, Menozzi M, Carli F, et al. 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