1. From the Center for Eye Research, Department of Ophthalmology, the
2. Department of Pathology, and the
3. Department of Oral Biology, Faculty of Dentistry, University of Oslo, Norway; and the
4. The Apoptosis and Cell Death Research Program, Burnham Institute for Medical Research, La Jolla, California.
5. Center for Clinical Research, Ulleval University Hospital, University of Oslo, Norway; the