1. From the Department of Ophthalmology, Ludwig-Maximilians-University Munich, Munich, Germany; and the1Departments of Ophthalmology,
2. Departments of Ophthalmology,
3. Pathology,
4. General and Transplant Surgery,
5. Hygiene and Social Medicine, and
6. Dermatology and Venereology, Innsbruck Medical University, Innsbruck, Austria.