1. Illinois Eye & Ear Infirmary, University of Illinois at Chicago School of Medicine
2. Department of Ophthalmology, Penn State College of Medicine, Hershey, Pennsylvania
3. Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania
4. The Emmes Company, LLC, Rockville, Maryland
5. Doheny Eye Institute, University of California, Los Angeles
6. Wisconsin Reading Center, University of Wisconsin–Madison