1 1Associated Retinal Consultants, Oakland University William Beaumont School of Medicine, Royal Oak, Michigan 2Retina and Vitreous of Texas, Houston, Texas 3NYC Retina, New York, New York 4Retina Vitreous Consultants, Pittsburgh, Pennsylvania 5Retina Consultants, Ltd, Chicago, Illinois 6Long Island Vitreoretinal Consultants, Long Island, New York 7Duke Eye Center, Durham, North Carolina 8Children's Hospital of Los Angeles, Los Angeles, California 9Emory Eye Center, Atlanta, Georgia 10University of Occupational and Environmental Health, Kitakyushu, Japan 11Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan 12Shiley Eye Institute, University of California San Diego, La Jolla, California 13Moorfields Hospital, London, United Kingdom 14Great Ormond Street Hospital for Children, London, United Kingdom 15Royal Free Hospital, London, United Kingdom 16Kindai University Sakai Hospital, Osaka, Japan 17Retina Associates Southwest, Tucson, Arizona 18Department of Ophthalmology, University of Illinois at Chicago, Chicago, Illinois 19Bascom Palmer Eye Institute, Miami, Florida 20Foundation Ophthalmic A. de Rothschild, Paris, Neuilly s/Seine, France 21Murray Ocular Oncology and Retina, Miami, Florida 22Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, Ohio 23Hospital de Olhos do Paraná, Curitiba, Puerto Rico, Brasil 24Austin Retina Associates, Austin, Texas 25Clinica Oftalmologica Kydoft Arauco, Santiago, Chile 26Hospital del Salvador de Santiago, Santiago, Chile 27Asociación Para Evitar la Ceguera en Mexico-Retina Service, Mexico City, Mexico 28Department of Ophthalmology, Chang Gung Memorial Hospital, Guishan, Taoyuan, Taiwan 29Department of Medicine, Taiwan and Chang Gung University, College of Medicine, Guishan, Taoyuan, Taiwan 30Casey Eye Institute, Oregon Health and Science University, Portland, Oregon 31Clínica de Enfermedades de los Ojos, Toluca, Mexico 32Asociacion Para Evitar la Ceguera en Mexico-Retina Service, Mexico City, Mexico 33Department of Ophthalmology, School of Medicine, Fukuoka University, Japan 34Vitreo Retinal Surgery, Pennsylvania, Minneapolis, Minnesota 35Bumrungrad International Hospital, Bangkok, Thailand 36Moran Eye Center, University of Utah School of Medicine, Salt Lake City, Utah 37Doheny Eye Center, University of California Los Angeles, Log Angeles, California 38Department of Surgery, Faculty of Medicine, University of Calgary, Calgary, Canada 39Department of Ophthalmology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 40Stanford Byers Eye Institute, Stanford University, Palo Alto, California.