1. Department of Population Health Sciences, Duke University, Durham, NC, USA.
2. Duke Clinical Research Institute, Duke University, Durham, NC, USA.
3. Department of Pediatrics, University of Illinois College of Medicine at Peoria, Peoria, IL, USA.
4. Department of Pediatrics, Baylor College of Medicine, Children's Hospital of San Antonio, San Antonio, TX, USA.
5. Pediatric Obesity Center, Connecticut Children's, Hartford, CT, USA.
6. Department of Pediatrics, Harbor-UCLA Medical Center, Torrance, CA, USA.
7. Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, USA.
8. Division of Biostatistics and Epidemiology, The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
9. Department of Pediatrics, The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
10. Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, USA.