[1] Childrens Natl Med Ctr, Washington, DC 20010 USA
[2] George Washington Univ, Sch Med & Hlth Sci, Washington, DC 20052 USA
[3] Univ Florida, Coll Med, Dept Biostat, Gainesville, FL 32610 USA
[4] Univ Florida, Coll Publ Hlth & Hlth Profess, Dept Biostat, Gainesville, FL 32610 USA
[5] St Jude Childrens Res Hosp, Dept Global Pediat Med, 332 N Lauderdale St, Memphis, TN 38105 USA
[6] Baylor Coll Med, Texas Childrens Canc Ctr, Houston, TX 77030 USA
[7] ImmunoGen Inc, Boston, MA USA
[8] Johns Hopkins Med Inst, Dept Pathol, Baltimore, MD 21205 USA
[9] Univ Washington, Dept Lab Med, Seattle, WA 98195 USA
[10] Univ Alabama Birmingham, Dept Genet, Birmingham, AL USA
[11] Ohio State Univ, Wexner Med Ctr, Dept Pathol, Columbus, OH 43210 USA
[12] St Jude Childrens Res Hosp, Memphis, TN USA
[13] Hosp Sick Children, Toronto, ON, Canada
[14] Univ Colorado, Sch Med, Childrens Hosp Colorado, Aurora, CO USA
[15] Univ Colorado, Sch Med, Dept Pediat, Aurora, CO USA
[16] Childrens Hosp Eastern Ontario, Div Pediat Hematol Oncol, Ottawa, ON, Canada
[17] NYU, Langone Med Ctr, Dept Pediat, New York, NY USA
[18] NYU, Langone Med Ctr, Perlmutter Canc Ctr, New York, NY USA
[19] Univ Texas Southwestern Med Ctr, Dallas, TX USA
[20] Univ Calif San Francisco, Benioff Childrens Hosp, Dept Pediat, San Francisco, CA 94143 USA
[21] Univ Calif San Francisco, Helen Diller Family Comprehens Canc Inst, San Francisco, CA 94143 USA
[22] Univ Penn, Childrens Hosp Philadelphia, Dept Pediat, Philadelphia, PA 19104 USA
[23] Univ Penn, Childrens Hosp Philadelphia, Ctr Childhood Canc Res, Philadelphia, PA 19104 USA
[24] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA