Adriana Weinberg, Lin-Ye Song, Cynthia Wilkening, Anne Sevin, Bruce Blais, Raul Louzao, Dana Stein, Patricia Defechereux, Deborah Durand, Eric Riedel, Nancy Raftery, Renee Jesser, Betty Brown, M. Fran Keller, Ruth Dickover, Elizabeth McFarland, Terence Fenton
and for the Pediatric ACTG Cryopreservation Working Group