Authors: Julie E Martin; Nancy J Sullivan; Mary E Enama; Ingelise J Gordon; Mario Roederer; Richard A Koup; Robert T Bailer; Bimal K Chakrabarti; Michael A Bailey; Phillip L Gomez; Charla A Andrews; Zoe Moodie; Lin Gu; Judith A Stein; Gary J Nabel; Barney S Graham Journal: Clin Vaccine Immunol Date: 2006-09-20