1. Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA
2. Division of Pulmonary Medicine, Allergy and Immunology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, PA, USA
3. School of Medicine, Tsinghua University, Beijing, China
4. Department of Electrical and Computer Engineering, Swanson School of Engineering, University of Pittsburgh, PA, USA
5. Department of Biomedical Informatics, School of Medicine, University of Pittsburgh, PA, USA
6. Neurobiology Neurodegeneration and Repair Laboratory, National Eye Institute, National Institutes of Health, Bethesda, MD, USA
7. Division of Epidemiology and Clinical Applications, National Eye Institute, National Institutes of Health, Bethesda, MD, USA
8. Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, PA, USA
9. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA