1. Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina
2. Jaeb Center for Health Research, Tampa, Florida
3. Johns Hopkins Wilmer Eye Institute, Baltimore, Maryland
4. Eugene and Marilyn Glick Eye Institute, Department of Ophthalmology, Indiana University, Indianapolis
5. Department of Ophthalmology, University of California, San Francisco
6. Dean McGee Eye Institute, Oklahoma City, Oklahoma
7. Department of Ophthalmology and Visual Sciences, Case Western Reserve University School of Medicine, Rainbow Babies and Children’s Hospital, Cleveland, Ohio
8. Flaum Eye Institute, University of Rochester Medical Center, Rochester, New York