1. Program in Liberal Medical Education; Brown University; Providence RI USA
2. Department of Ophthalmology and Public Health Sciences; Penn State College of Medicine; Hershey PA USA
3. Department of Ophthalmology; University of Colorado Anschutz Medical Campus; Aurora Colorado USA
4. Department of Epidemiology; University of Colorado Anschutz Medical Campus; Aurora Colorado USA
5. Division of Ophthalmology; Brown University; Providence RI USA
6. Section of Ophthalmology; Providence VA Medical Center; Providence RI USA