1. John C. Lin, ScB, is a Medical Student, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA;
2. Daniel J. Hu, AB, is a Medical Student, the Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA;
3. Ingrid U. Scott, MD, MPH, is Professor of Ophthalmology and Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania, USA; and
4. Paul B. Greenberg, MD, MPH, is Professor of Surgery (Ophthalmology), the Warren Alpert Medical School of Brown University, and Associate Chief of Staff for Surgery, VA Providence Healthcare System, Providence, Rhode Island, USA.