| Affiliation: | 2. Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China;3. Department of Integrated Traditional and Western Medicine, West China Hospital, Sichuan University, Chengdu, PR China;5. West China Brain Research Centre, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China;2. Department of Medicine and Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada;3. Division of General Internal Medicine and Women''s Health Program, University Health Network, Toronto, Ontario, Canada;4. Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada;6. Department of Medicine (Neurology), University of Toronto, Toronto, Ontario, Canada;1. Department of Neurology, University of California, San Francisco, San Francisco, CA;2. Department of Pediatrics, University of California, San Francisco, San Francisco, CA;3. Department of Radiology, Mayo Clinic, Rochester, MN;4. Department of Epidemiology & Biostatistics, University of California, San Francisco, San Francisco, CA;5. Department of Radiology, University of California, San Francisco, San Francisco, CA |
