Predictors of CD 4 cell recovery following initiation of antiretroviral therapy among HIV-1 positive patients with well-estimated dates of seroconversion - Stirrup, OT; Copas, AJ; Phillips, A. N.; Gill, M. J.; Geskus, RB; Touloumi, G.; Young, J.; Bucher, H. C.; Babiker, AG; CASCADE Collaboration in EuroCoord; others (HIV medicine, 2018)