1. Department of Neurology, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, China
2. Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Diseases (MIND), Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA
3. Clinical Research Center, Qingdao Municipal Hospital, Qingdao University, Qingdao, China
4. Department of Neurology and Institute of Neurology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China