1. Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan.
2. Department of Ophthalmology, Beaumont Eye Institute, Oakland University William Beaumont School of Medicine, Royal Oak, Michigan.
3. San Antonio Military Health System, Lackland AFB, Texas.
4. Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor, Michigan.
5. University of Michigan Institute for Healthcare Policy and Innovation, Ann Arbor, Michigan.