1. Penn State Hershey Eye Center, Penn State College of Medicine, Hershey2Department of Public Health Sciences, Penn State College of Medicine, Hershey
2. Penn State Hershey Eye Center, Penn State College of Medicine, Hershey3MacuLogix, Inc, Hershey, Pennsylvania
3. Penn State Hershey Eye Center, Penn State College of Medicine, Hershey
4. Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison
5. Department of Public Health Sciences, Penn State College of Medicine, Hershey
6. Kellogg Eye Center, University of Michigan School of Medicine, Ann Arbor