1. Department of Radiology, Duke University Medical Center, Durham, NC, USA
2. RSNA, Oak Brook, USA
3. National Eye Institute, National Institutes of Health, Bethesda, MD, USA
4. Quantitative Health Sciences, Cleveland Clinic, Cleveland, USA
5. ICON Medical Imaging, Warrington, PA, USA
6. Department of Health Services, School of Public Health, University of Washington, Seattle, USA