1. Fudan University School of Nursing, Shanghai, China
2. Institute of Neurology, Huashan Hospital, Fudan University, Shanghai, China
3. National Center for Neurological Disorders, Huashan Hospital, Fudan University, Shanghai, China
4. National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
5. Rory Meyers College of Nursing, New York University, New York, NY, USA
6. College of Health and Human Services, University of New Hampshire, Durham, NH, USA