1. Department of Pediatrics, Division of Pediatric Endocrinology, Johns Hopkins School of Medicine, Baltimore, Maryland
2. Department of Ophthalmology, Baylor College of Medicine, Houston, Texas
3. Department of Ophthalmology and Visual Sciences, The University of Iowa, Iowa City
4. Digital Diagnostics, Coralville, Iowa
5. Iowa City Veterans Affairs Medical Center, Iowa City, Iowa
6. Department of Biomedical Engineering, The University of Iowa, Iowa City
7. Department of Electrical and Computer Engineering, The University of Iowa, Iowa City
8. Division of Health Sciences Informatics, Johns Hopkins School of Medicine, Baltimore, Maryland