1. Department of Dermatology, University of California, Davis, Sacramento, CA 95817
2. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030
3. Department of Molecular Genetics, Migal-Galilee Technology Center
4. Genetic Institute, Tel Aviv Sourasky Medical Center, and Tel Aviv University, 64239 Tel Aviv, Israel
5. Institut für Anatomie und Zellbiologie, Justus-Liebig-Universität Giessen, Giessen D-35385, Germany
6. Neuroscience Department, Tufts University, School of Medicine, Boston, MA 02111