1. Department of Anesthesia and Perioperative Care, University of California, San Francisco, California, USA
2. Center for Cerebrovascular Research, University of California, San Francisco, California, USA
3. Department of Biopharmaceutical Sciences, University of California, San Francisco, California, USA
4. Department of Clinical Pharmacy, University of California, San Francisco, California, USA
5. Department of Neurological Surgery, University of California, San Francisco, California, USA
6. Department of Neurology, University of California, San Francisco, California, USA