1. Department of Biochemistry, University of Alberta, Edmonton, Alberta T6G 2S7, Canada.
2. Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta T6G 2V4, Canada.
3. Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile.
4. Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, Santiago, Chile.
5. College of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea.
6. Department of Physiology, University of California, Los Angeles, Los Angeles, CA 90095, USA.
7. Department of Life Science, BK21 PLUS Life Science for BDR team, The Research Institute of Natural Sciences, Hanyang University, Seoul 133-791, Korea.
8. Degenerative Disease Research Program, Center for Neuroscience, Aging, and Stem Cell Research, Cancer Center, Sanford Burnham Medical Research Institute, La Jolla, CA 92037, USA.
9. Neurounion Biomedical Foundation, Santiago, Chile.