1. Institute for Stroke and Dementia Research, Munich University Hospital, Munich, Germany.
2. Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.
3. Department of Neurosurgery, Munich University Hospital, Munich, Germany.
4. Department of Neurosurgery, Beijing Tian Tan Hospital, Capital Medical University and China National Clinical Research Center for Neurological Diseases, Beijing, China.