1. Department of Ophthalmology and Visual Sciences (A.N.M., D.S.K., E.F.G., S.J.A., T.J.S., R.S.D.), Kellogg Eye Center, University of Michigan
2. Department of Internal Medicine (T.J.S.), University of Michigan Medical School, Michigan 48105
3. Veterans Affairs Medical Center (R.S.D.), Ann Arbor, Michigan 48105