1. Department of Ophthalmology and Visual Sciences, Case Western Reserve University, Cleveland, Ohio
2. University Hospitals Cleveland Medical Center, Cleveland, Ohio
3. Cornea Image Analysis Reading Center, Cleveland, Ohio
4. Verdier Eye Center, Grand Rapids, Michigan
5. Jaeb Center for Health Research, Tampa, Florida
6. Stein Eye Institute, UCLA (University of California, Los Angeles)
7. Michigan Cornea Consultants, PC, Southfield,
8. Cornea Associates of Texas, Dallas
9. Kellogg Eye Center, University of Michigan, Ann Arbor
10. Focal Point Vision, San Antonio, Texas
11. Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota
12. Mid Atlantic Cornea Consultants, Baltimore, Maryland
13. Central Pennsylvania Eye Center, Hershey
14. Eversight, Ann Arbor, Michigan
15. Devers Eye Institute, Portland, Oregon