Affiliation: | 1. Department of Neurology, University of California, San Francisco, , San Francisco, CA;2. Institute for Health and Aging and Department of Social and Behavioral Sciences, University of California, San Francisco, , San Francisco, CA;3. Department of Physiology, University of California, San Francisco, , San Francisco, CA;4. Department of Psychiatry, University of California, San Francisco, , San Francisco, CA |