1. From the Department of Ophthalmology, and the
2. Institute of Pathology, Kantonsspital, Aarau, Switzerland; the
3. Department of Anatomy, University of Zu¨rich, Zu¨rich, Switzerland; the4Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH), Zu¨rich, Switzerland; and the
4. From the Department of Ophthalmology, and the5Department of Ophthalmology, University of Basel, Basel, Switzerland.