1. Horngren Family Vitreoretinal Center, Byers Eye Institute, Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, CA, USA
2. Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
3. Evergreen Eye Center, Seattle, WA, USA
4. Specialty Eyecare Group, Seattle, WA, USA
5. Matossian Eye Associates, Pennington, NJ, USA
6. Arizona Eye Specialists, Phoenix, AZ, USA
7. M&M Eye Institute, Prescott, AZ, USA
8. NV Eye Surgery, Las Vegas, NV, USA
9. Mid-Peninsula Ophthalmology Medical Group, Menlo Park, CA, USA
10. Olympic Ophthalmics, Inc., Issaquah, WA, USA
11. Kentucky Eye Institute, Lexington, KY, USA