作者单位Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA[1]Departments of Neurology, Neuroscience, and Ophthamology,Albert Einstein College of Medicine, Bronx, NY[2]Diacrin, Inc., Department of Cell Transplantation, Charlestown, MA[3]Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA[4]200433,上海,第二军医大学长海医院神经内科[5]