1. Department of Pathology and Molecular Biology, Guiyang Medical University, Guiyang, P. R. China
2. Karolinska Institutet, KI-Alzheimer Disease Research Center, Novum, Huddinge, Sweden
3. Department of Neurology, the Second Affiliated Hospital of Guiyang Traditional Chinese Medical College, Guiyang, P. R. China
4. Department of Neurology, the First Affiliated Hospital of Guiyang Medical University, Guiyang, P. R. China