1. Department
of Chemistry, Stanford University, Stanford, California 94305, United
States
2. Department of Neurology,
UCLA, Los Angeles, California 90095, United States
3. Department of Pathology, Stanford University,
Stanford, California 94305, United States
4. Brain Research Institute, UCLA, Los Angeles, California
90095, United States
5. Molecular
Biology Institute, UCLA, Los Angeles, California 90095, United States