1. National Clinical Research Center for Geriatrics and Department of General Practice State Key Laboratory of Biotherapy West China Hospital Sichuan University Chengdu China
2. Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton Ontario Canada
3. Department of Neurology, West China Hospital Sichuan University Chengdu China
4. The Third Hospital of Mianyang Sichuan Mental Health Center Mianyang China
5. School of Life Sciences Tsinghua University Beijing China