Baker, Jason V.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Henry, W. Keith;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Patel, Pragna;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Bush, Timothy J.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Conley, Lois J.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Mack, Wendy J.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Overton, E. Turner;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Budoff, Matt;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Hammer, John;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Carpenter, Charles C.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Hodis, Howard N.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;Brooks, John T.;for the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy Investigators;