Author Affiliations: The New York Eye Cancer Center, New York University School of Medicine, The New York Eye and Ear Infirmary, New York (Drs Khan, Finger, and Yu); Department of Ophthalmology, Leiden University Medical Center, Leiden, the Netherlands (Drs Razzaq, Jager, and de Keizer); Department of Ophthalmic Pathology and Oncology, St Erik's Eye Hospital, Stockholm, Sweden (Drs Sandkull and Seregard); Bascom Palmer Eye Institute, Miami, Florida (Drs Gologorsky, Schefler, and Murray); Department of Ophthalmology, Helsinki University Central Hospital, Helsinki, Finland (Dr Kivelä); Department of Ophthalmology, Princess Margaret Hospital, Toronto, Ontario (Drs Giuliari, McGowan, and Simpson), and Department of Ophthalmology, University of Montreal, Montreal, Quebec (Dr Corriveau), Canada; and Departments of Cellular and Molecular Pathology (Dr Coupland) and Ophthalmology (Dr Damato), Royal Liverpool University Hospital, Liverpool, England.