1. Palo Alto, CA, USA
2. Envision Research Institute, Wichita, KS, USA
3. Retina Foundation of the Southwest, Dallas, TX, USA
4. Department of Ophthalmology, Johns Hopkins University, Baltimore, MD, USA
5. Department of Ophthalmology and Visual Sciences, Dalhousie University, Halifax, Canada
6. Department of Ophthalmology, McGill University Health Centre, Montreal, Canada
7. Nova Southeastern University, College of Optometry, Fort Lauderdale, FL, USA
8. Department of Ophthalmology, Stein Eye Institute, University of California, Los Angeles, Los Angeles, CA, USA