1. University of New Mexico Cancer Center and Departments of Pathology, Internal Medicine, Mathematics & Statistics, and Physics & Astronomy, University of New Mexico, Albuquerque, NM;
2. Children's Oncology Group, Arcadia, CA;
3. Departments of Pathology and Pharmaceutical Sciences, St Jude Children's Research Hospital, Memphis, TN;
4. College of Public Health, University of Georgia, Athens, GA;
5. Sandia National Laboratories, Albuquerque, NM;
6. Children's Oncology Group, Statistics & Data Center and Department of Epidemiology and Health Policy Research, College of Medicine, University of Florida, Gainesville, FL;
7. Department of Genetics, University of Alabama at Birmingham, AL;
8. Department of Pathology, Johns Hopkins Medical Institutions, Baltimore MD;
9. Cook Children's Medical Center, Forth Worth, TX;
10. Departments of Pediatrics, Hematology and Oncology, and Cancer Center, New York University Medical Center, New York, NY;
11. Department of Pediatrics, Hematology, Oncology and Transplantation, Medical College of Wisconsin, Milwaukee, WI;
12. Department of Hematology-Oncology, Children's National Medical Center, Washington, DC;
13. Cancer Therapy Evaluation Program, Pediatric Oncology Branch, National Cancer Institute, Bethesda, MD; and
14. Children's Hospital, Department of Pediatrics and University of Colorado Cancer Center, University of Colorado Denver School of Medicine, Aurora, CO