1. Ocular Surface Imaging Center, Cornea Service, Massachusetts Eye and Ear Infirmary, Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts, United States
2. Korb and Associates, Boston, Massachusetts, United States
3. Center for Translational Ocular Immunology and Cornea Service, New England Eye Center/Tufts Medical Center, Department of Ophthalmology, Tufts University School of Medicine, Boston, Massachusetts, United States