1. Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT 06030-3401, USA
2. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095-1569, USA
3. Institute for Genomics and Proteomics, University of California, Los Angeles, CA 90095-1569, USA
4. Department of Neuroscience, University of Connecticut Health Center, Farmington, CT 06030-3401, USA