1. Genomics Institute, University of California Santa Cruz , Santa Cruz , CA 95064 , USA
2. Institute of Neurogenomics, Helmholtz Zentrum München GmbH - German Research Center for Environmental Health , 85764 Neuherberg , Germany
3. Medical Genetics Center (Medizinisch Genetisches Zentrum) , Munich 80335 , Germany
4. Robert Kuhn Consulting , Aptos, CA 95003, USA
5. Swiss-Prot Group, SIB Swiss Institute of Bioinformatics, CMU, 1 Michel Servet , 1211 Geneva 4 , Switzerland