1. From the Department of Ophthalmology and Visual Sciences and the2James Graham Brown Cancer Center, University of Louisville Health Sciences Center, Louisville Kentucky; and the
2. From the Department of Ophthalmology and Visual Sciences and the
3. Departments of Periodontics, Endodontics, and Dental Hygiene, Center for Oral Health and Systemic Disease, University of Louisville School of Dentistry, Louisville, Kentucky.