1. Division of Epidemiology, Biostatistics, and Environmental Health School of Public Health, University of Memphis , Memphis, Tennessee, USA
2. Department of Pediatrics, Susan B Meister Child Health Evaluation and Research (CHEAR) Center, University of Michigan , Ann Arbor, Michigan, USA
3. Department of Pediatrics, Vanderbilt University School of Medicine , Nashville, Tennessee, USA
4. Department of Health Policy, Vanderbilt University School of Medicine , Nashville, Tennessee, USA
5. Georgia Health Policy Center, Georgia State University , Atlanta, Georgia, USA
6. Department of Hematology, Duke University , Durham, North Carolina, USA
7. Department of Hematology, St. Jude Children’s Research Hospital , Memphis, Tennessee, USA
8. Division of Hematology-Oncology, University of Alabama Birmingham , Birmingham, Alabama, USA
9. Department of Bioinformatics, University of Tennessee Health Science Center , Memphis, Tennessee, USA
10. Duke University School of Nursing , Durham, North Carolina, USA
11. Duke Office of Clinical Research, Duke University School of Medicine , Durham, North Carolina, USA
12. Tracking California, Public Health Institute , Oakland, California, USA
13. Department of Pediatrics, Medical College of Wisconsin , Milwaukee, Wisconsin, USA