1. Fundus Photograph Reading Center, Department of Ophthalmology and Visual Sciences, University of Wisconsin–Madison, Madison, Wisconsin
2. Ophthalmic Epidemiology Reading Center, Department of Ophthalmology and Visual Sciences, University of Wisconsin–Madison, Madison, Wisconsin
3. Fundus Photograph Reading Center, Department of Ophthalmology and Visual Sciences, University of Wisconsin–Madison, Madison, Wisconsin 3McPherson Eye Research Institute, University of Wisconsin–Madison, Madison, Wisconsin