1. Department of Neurology, Intermountain Medical Center, Murray, UT, USA
2. Carey Business School, Johns Hopkins University, Baltimore, MD, USA
3. Department of Medicine, The Johns Hopkins Hospital, Baltimore, MD, USA
4. Department of Computer Science, Johns Hopkins University, Baltimore, MD, USA
5. Department of Radiology, The Johns Hopkins Hospital, Baltimore, MD, USA
6. Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
7. Department of Ophthalmology, The Johns Hopkins Hospital, Baltimore, MD, USA