1. Division of Ophthalmology, Department of Surgery, University of Vermont Larner College of Medicine, Burlington, Vermont, USA.
2. Division of Ophthalmology, Department of Surgery, University of Vermont Medical Center, Burlington, Vermont, USA.
3. Ambulatory Care, Porter Medical Center, University of Vermont Health Network, Middlebury, Vermont, USA.
4. Heller School for Social Policy and Management, Brandeis University, Waltham, Massachusetts, USA.
5. Vermont Center on Behavior and Health, Larner College of Medicine, Burlington, Vermont, USA.