1. From the Department of Ophthalmology, Eye Ear Nose and Throat Hospital and the2Key Laboratory of Myopia of State Health Ministry, Shanghai, People’s Republic of China; the
2. New England College of Optometry, Boston, Massachusetts; the
3. Department of Health Statistics and Social Medicine, Fudan University Shanghai Medical College, Shanghai, People’s Republic of China; the
4. Department of Ophthalmology, New York Eye and Ear Infirmary, New York, New York; the
5. Department of Public Health, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin; and the
6. Department of Ophthalmology, Thomas Jefferson Medical College, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.