1. Department of Pediatrics Section of Hematology‐Oncology Baylor College of Medicine One Baylor Plaza Houston Texas USA
2. Department of Pediatrics Texas Children's Cancer and Hematology Centers Texas Children's Hospital Feigin Center Houston Texas USA
3. Department of Pediatrics Center for Epidemiology and Population Health Baylor College of Medicine One Baylor Plaza Houston Texas USA
4. Department of Collective Health Faculdade de Ciências Médicas da Santa Casa de São Paulo São Paulo Brazil
5. Division of Epidemiology and Clinical Research Department of Pediatrics University of Minnesota Minneapolis Minnesota USA
6. Department of Pediatrics University of Minnesota Masonic Cancer Center Minneapolis Minnesota USA
7. Department of Pediatrics Neuroscience Institute Children's Minnesota Minneapolis Minnesota USA
8. Department of Mathematics and Statistics University of New Mexico Albuquerque New Mexico USA