1. State Key Laboratory of Medical Neurobiology and Institute of Brain Sciences, Fudan University, Shanghai, China.
2. Center for Cerebrovascular Disease Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
3. Division of Pharmaceutical Sciences, Duquesne University, Pittsburgh, Pennsylvania.
4. Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania.
5. Geriatric Research, Educational and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania.