1. Department of Neurology, University of Chicago, Chicago, IL 60687.
2. Applied Research, Bayer HealthCare, Richmond, CA 94804.
3. Department of Computational Biology, Bayer HealthCare, Richmond, CA 94804.
4. SBU Therapeutics, Schering AG, Berlin, Germany.
5. Department of Immunology, Berlex Biosciences, Inc., Richmond, CA 94804.