Durrie Vision, Overland Park, Kansas, United States
Key-Whitman Eye Center, Dallas, Texas, United States
Aloha Laser Vision, LLC, Honolulu, Hawaii, United States
Solomon Eye Physicians and Surgeons/Bowie Vision Institute, Bowie, Maryland, United States
Hoopes Vision/Hoopes, Durrie, Rivera Research, Draper, Utah, United States
Vance Thompson Vision, W. Fargo, North Dakota, United States
Key-Whitman Eye Center, Dallas, Texas, United States
Cleveland Eye Clinic, Brecksville, Ohio, United States
Hoopes Vision/Hoopes, Durrie, Rivera Research, Draper, Utah, United States
Mediopolis, Antwerp, Belgium
IMO Instituto de MicrocirugÃa Ocular, Barcelona, Spain
Qvision-Hospital Vithas Virgen del Mar, AlmerÃa, Spain