1Ophthalmic Consultants of Boston, Boston, Massachusetts
2Palmetto Retina Center, West Columbia, South Carolina
3Retina-Vitreous Associates Medical Group, Beverly Hills, California
4Retina Consultants of Houston, The Methodist Hospital, Houston, Texas
5Regeneron Pharmaceuticals, Inc, Tarrytown, New York
6Bayer Healthcare, Berlin, Germany
7Department of Neurology, University of Erlangen-nürnberg, Erlangen, Germany
8Klinik und Poliklinik fur Augenheilkunde, Universitatsklinikum Hamburg-Eppendorf, Hamburg, Germany
9Department of Neurology, Heinrich-Heine-Universitat, Dusseldorf, Germany
10Wills Eye Hospital, Philadelphia, Pennsylvania