[1] Med City Childrens Hosp, Div Pediat Hematol Oncol, Dallas, TX USA
[2] Univ Nebraska, Coll Publ Hlth, Dept Biostat, Omaha, NE 68182 USA
[3] Univ Utah, Dept Pathol, Salt Lake City, UT USA
[4] New York Med Coll, Dept Pediat, Valhalla, NY 10595 USA
[5] New York Med Coll, Dept Med, Valhalla, NY 10595 USA
[6] New York Med Coll, Dept Pathol, Valhalla, NY 10595 USA
[7] New York Med Coll, Dept Microbiol, Valhalla, NY 10595 USA
[8] New York Med Coll, Dept Cell Biol & Anat, Valhalla, NY 10595 USA
[9] Univ Hawaii, Div Pediat Hematol Oncol, Honolulu, HI 96822 USA
[10] Univ Nebraska Med Ctr, Dept Cytogenet, Omaha, NE USA
[11] Roswell Pk Canc Inst, Buffalo, NY 14263 USA