1. Children’s Hospital at Montefiore, Bronx, New York
2. Departments of Pediatrics
3. Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
4. Department of Obstetrics and Gynecology, University of Oregon Health Sciences, Portland, Oregon
5. Medicine
6. Department of Pediatrics, Kaiser Permanente, San Francisco, San Francisco, California
7. Department of Pediatrics, California Pacific Medical Center, San Francisco, California
8. Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California