Functional impairment of HIV-specific CD8+ T cells precedes aborted spontaneous control of viremia

David R. Collins, Jonathan M. Urbach, Zachary J. Racenet, Umar Arshad, Karen A. Power, Ruchi M. Newman, Geetha Mylvaganam, Ngoc L. Ly, Xiaodong Lian, Anna Rull, Yelizaveta Rassadkina, Adrienne G. Yanez, Michael J. Peluso, Steven G. Deeks, Francesc Vidal, Mathias Lichterfeld, Xu G. Yu, Gaurav D. Gaiha, Todd M. Allen, Bruce D. Walker