Klinikum der J.W. Goethe-Universität, Frankfurt, Germany
Dept. of Clinical Sciences/ Ophthalmology Umea University Hospital, Umea, Sweden
Ophthalmic Consultants of Long Island, Rockville Center, New York, United States
Augenzentrum Maus Wolfsstr 16, Koln, Germany
Dr. James Ferrari, Rochester, New York, United States
Ophthalmic Research Consultants, Inc., North Andover, Massachusetts, United States
Lasik MD, 130 King Street, Toronto, Ontario, Canada
Ophthalmic Research Consultants, Inc., North Andover, Massachusetts, United States
Kodama Eye Clinic, Kyoto, Japan