1. From the Ludwig Boltzmann Institute for Retinology and Biomicroscopic Lasersurgery, Department of Ophthalmology, and the
2. Department of Clinical Chemistry, Donauspital, Vienna, Austria; the
3. Department of Anatomy and Cell Biology, University of Florida, Gainesville, Florida; and the
4. Department of Pathology and Bacteriology, Rudolf Foundation Clinic, Vienna, Austria; the
5. Department of Cell Physiology and Scientific Film, University of Vienna, Vienna, Austria.