1. Department of Ophthalmology, Visual and Anatomical Sciences, Kresge Eye Institute, Wayne State University School of Medicine, Detroit, Michigan
2. Department of Ophthalmology and Visual Sciences, University of Iowa Carver College of Medicine, Iowa City, Iowa
3. Department of Ophthalmology, University of Cincinnati College of Medicine, Cincinnati, Ohio
4. Department of Ophthalmology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
5. Department of Ophthalmology, Stein Eye Institute, University of California Los Angeles David Geffen School of Medicine, Los Angeles, California
6. Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia
7. Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
8. Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
9. Department of Ophthalmology, Scheie Eye Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania