1. Center on the Early Life Origins of Disease, Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland
2. Division of Research, Office of Epidemiology and Research, Maternal and Child Health Bureau, Health Resources and Services Administration, US Department of Health and Human Services, Rockville, Maryland
3. Department of Biostatistics, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland
4. Department of Computer Science, Johns Hopkins University Whiting School of Engineering, Baltimore, Maryland
5. Department of Pediatrics, Boston University School of Medicine and Boston Medical Center, Boston, Massachusetts
6. Division of General Pediatrics & Adolescent Medicine, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland