1. Department of Ophthalmology, University of Washington, Seattle, WA, USA
2. The Roger and Angie Karalis Johnson Retina Center, Seattle, WA, USA
3. Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, Miami, FL, USA
4. Department of Ophthalmology, Dean McGee Eye Institute, University of Oklahoma, Oklahoma City, OK, USA
5. Department of Ophthalmology, University of South Florida Eye Institute, Tampa, FL, USA
6. Department of Ophthalmology, Millman-Derr Center for Eye Care, Rochester Hills, MI, USA
7. Department of Ophthalmology, New Mexico Veterans Affairs Medical Center, University of New Mexico, Albuquerque, NM, USA
8. Division of Ophthalmology, Seattle Children's Hospital, Seattle, WA, USA