Predictors of CD4 cell counts of HIV-1 - infected persons after virologic failure to all three original antiretroviral drug classes

Ledergerber, B; Costagliola, D; Lodwick, R; Torti, Carlo; Sighem, Av; Podzamczer, D; Mocroft, A; Dorrucci, M; Masquelier, B; Günthard, Hf; de Luca, A; Michalik, C; De Wit, S; Obel, N; Fätkenheuer, G; Chrysos, G; Mussini, C; Castagna, A; Stephan, C; García, F; Zangerle, R; Duval, X; Perez Hoyos, S; Meyer, L; Ghosn, J; Fabre Colin, C; Kjaer, J; Grarup, J; Chêne, G; Phillips A., The Pursuing Later Treatment Option II project team for the Collaboration of Observational HIV Epidemiological Research Europe Group