Eric L Ross1, Joshua D Stein2. 1. University of Michigan Medical School, Department of Ophthalmology and Visual Sciences, Ann Arbor2University of Michigan School of Public Health, Department of Health Management and Policy, Ann Arbor. 2. University of Michigan Medical School, Department of Ophthalmology and Visual Sciences, Ann Arbor2University of Michigan School of Public Health, Department of Health Management and Policy, Ann Arbor3Institute for Healthcare Policy and Innovation, Univers.