1. Sue Anschutz-Rodgers University of Colorado Eye Center
2. Departments of Ophthalmology, Neurology, and Neurosurgery, University of Colorado School of Medicine, Aurora, Colorado
3. Department of Surgery (Division of Ophthalmology), Uniformed Services University of the Health Sciences, Bethesda, Maryland
4. Department of Ophthalmology, The Ohio State University School of Medicine, Columbus, Ohio
5. Department of Ophthalmology, Oakland University William Beaumont School of Medicine, Royal Oak, Michigan, USA