1. From The Penn State Retina Research Group, The Ulerich Ophthalmology Research Laboratory, and the Juvenile Diabetes Research Foundation Diabetic Retinopathy Center and the2Departments of Ophthalmology,
2. From The Penn State Retina Research Group, The Ulerich Ophthalmology Research Laboratory, and the Juvenile Diabetes Research Foundation Diabetic Retinopathy Center and the3Cellular and Molecular Physiology, and
3. Department of Medicine, Center for Diabetes Research, Case Western Reserve University, Cleveland, Ohio.
4. From The Penn State Retina Research Group, The Ulerich Ophthalmology Research Laboratory, and the Juvenile Diabetes Research Foundation Diabetic Retinopathy Center and the5Neural and Behavioral Science, Penn State College of Medicine, Hershey, Pennsylvani