1. Department of Ophthalmology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
2. Department of Radiology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
3. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
4. Department of Endocrinology, and Vanderbilt University Medical Center, Nashville, Tennessee, USA.
5. Department of Nuclear Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
6. Department of Ophthalmology, University of Montreal, Montreal, Quebec, Canada.