1. Department of Obstetrics and Gynecology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
2. Department of Statistics, University of Auckland, Auckland, New Zealand
3. Institute for Translational Genomics and Population Sciences and Department of Pediatrics, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
4. Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
5. Children’s Hospital of Oakland Research Institute, Oakland, CA, USA
6. Department of Obstetrics and Gynecology, Pennsylvania State College of Medicine, Hershey, PA, USA
7. Departments of Obstetrics and Gynecology and Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA