[1
]
Wilmer Eye Institute, the Johns Hopkins University School of Medicine, Baltimore,
Maryland.
[2
]
Jaeb Center for Health Research, Tampa, Florida.
[3
]
Department of Ophthalmology, Jacksonville Health Science Center, University of Florida
College of Medicine, Jacksonville.
[4
]
Department of Ophthalmology, Duke University, Durham, North Carolina.
[5
]
Wolfe Eye Clinic, Des Moines, Iowa.
[6
]
Gulf Coast Retina Center, Port Richey, Florida.