1. Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, Connecticut, U.S.A.
2. Yale School of Medicine, New Haven, Connecticut, U.S.A.
3. Department of Pathology, Yale University School of Medicine, New Haven, Connecticut, U.S.A.
4. Department of Dermatology, Yale University School of Medicine, New Haven, Connecticut, U.S.A.
5. Smilow Cancer Hospital at Yale New Haven, New Haven, Connecticut, U.S.A.