1. Section of Hematology-Oncology, Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
2. Cancer and Hematology Centers, Texas Children's Hospital, Houston, TX, USA
3. Section of Environment and Radiation, International Agency for Research on Cancer, Lyon, France
4. Division of Epidemiology and Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
5. Department of Preventative Medicine, University of Southern California, Los Angeles, CA, USA
6. Children's Hospital of Philadelphia, Philadelphia, PA, USA
7. Department of Pediatrics and Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA
8. Programa de Hematologia-Oncologia Pediátrico, Instituto Nacional de Câncer, Rio de Janeiro, Brazil
9. Department of Pharmaceutical Sciences, St Jude Children's Research Hospital, Memphis, TN, USA
10. Department of Epidemiology, University of California Los Angeles, Los Angeles, CA, USA
11. Department of Epidemiology, University of California Berkeley, Berkeley, CA, USA
12. Departments of Epidemiology and Pediatrics (Oncology), Columbia University, New York, NY, USA
13. Department of Pediatrics, Harvard University, Boston, MA, USA
14. Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
15. Department of Pediatrics, University of California San Diego, San Diego, CA, USA
16. Rady Children's Hospital, San Diego, CA, USA
17. Department of Pediatric Surgery, The University of Texas Health Science Center at Houston, Houston, TX, USA
18. Departments of Surgical Oncology and Pediatrics Patient Care, MD Anderson Cancer Center, Houston, TX, USA