1. Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Department of Surgery, Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland
3. Department of Surgery, Krieger Eye Institute, Sinai Hospital of Baltimore, Baltimore, Maryland
4. Department of Surgery, McGovern Medical School at UT Health, Houston, Texas
5. Department of Medical Education, University of Illinois College of Medicine, Chicago
6. Johns Hopkins Surgery Center for Outcomes Research, Johns Hopkins University, Baltimore, Maryland
7. Department of Ophthalmology, Rush Medical College, Chicago, Illinois
8. Department of Ophthalmology, Weill Cornell Medicine, New York, New York