1. Truhlsen Eye Institute, University of Nebraska Medical Center, Omaha, NE, USA
2. College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
3. Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA, USA
4. Grady Healthcare System, Ponce de Leon Center, Atlanta, GA, USA
5. Department of Ophthalmology, Emory University School of Medicine, Atlanta, GA, USA
6. Francis I. Proctor Foundation, University of California San Francisco, San Francisco, CA, USA