1. Glaucoma Center of Excellence, Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland2Division of Health Sciences Informatics, The Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Glaucoma Center of Excellence, Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland3Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, The Johns Hopkins University, Baltimore, Maryland
3. Madigan Army Medical Center, Fort Lewis, Washington
4. Georgetown University School of Medicine, Washington, DC