1. Division of Pulmonary Medicine, Allergy and Immunology, Department of Pediatrics, Children’s Hospital of Pittsburgh of UPMC University of Pittsburgh, Pittsburgh, PA 15224, USA,
2. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
3. Center for Statistical Genetics, Department of Biostatistics, University of Michigan, Ann Arbor, MI 48109, USA
4. The Emmes Corporation, Rockville, MD 20850, USA
5. Neurobiology Neurodegeneration and Repair Laboratory, National Eye Institute, National Institutes of Health, Bethesda, MD 20892, USA
6. Casey Eye Institute, Oregon Health & Science University, Portland, OR 97239, USA
7. Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON N2L 3G1, Canada
8. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong Province 510030, China
9. Department of Biostatistics, Bioinformatics, and Biomathematics, Georgetown University Medical Center, Washington, DC 20007, USA
10. Division of Epidemiology and Clinical Applications, National Eye Institute, National Institutes of Health, Bethesda, MD 20892, USA
11. Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, PA 15261, USA