作者单位:Boston Univ, Sch Med, Dept Neurol, Boston, MA 02118 USA[1]Columbia Univ, Dept Neuropathol, New York, NY 10032 USA[2]Columbia Univ, Taub Inst Res Alzheimers Dis & Aging Brain, New York, NY 10032 USA[3]Columbia Univ, Dept Neurol, New York, NY 10032 USA[4]