1. Laboratory for Aging and Cognitive Diseases, European Neuroscience Institute, Grisebach Str. 5, D-37077 Goettingen, Germany.
2. Max Delbrueck Center for Molecular Medicine, Institute for Medical Systems Biology, Robert-Rössle-Strasse 10, D-13125 Berlin-Buch, Germany.
3. DNA Microarray Facility, Georg August University, Humboldtallee 23, D-37073 Goettingen, Germany.
4. Harvard Medical School, Genetics Department, 77 Ave Louis Pasteur, Boston, MA 02115, USA.
5. Fasteris SA, CH-1228 Plan-les-Ouates, Switzerland.