Emory Eye Center, Atlanta, Georgia, United States
Wilmer Eye Institute, Johns Hopkins Hospital, Baltimore, Maryland, United States
Center for Clinical Research Operations, Massachusetts Eye and Ear, Boston, Massachusetts, United States
Retina Foundation of the Southwest, Dallas, Texas, United States
University of Michigan, Kellogg Eye Center, Ann Arbor, Michigan, United States
Center for Clinical Research Operations, Massachusetts Eye and Ear, Boston, Massachusetts, United States
Medical Center Vereya EOOD, Stara Zagora, Bulgaria
University of Plymouth, Plymouth, United Kingdom
Consultation office, Heidelberg, Germany
Wilfried Roquet, Clermont-Ferrand, France
Centre Investigation Clinique, Nantes, France
Centre d'Ophtalmologie Blatin, Clermont-Ferrand, France
University of Iowa, Iowa City, Iowa, United States
Ghent University Hospital and Ghent University, Ghent, Belgium
Scheie Eye Institute, University of Pennsylvania, Philadelphia, Pennsylvania, United States
C.H.N.O des XV-XX, Paris, France