1. Department of Anesthesia and Perioperative Care, University of California San Francisco, 1001 Potrero Avenue San Francisco, CA 94110, USA
2. Bakar Computational Health Sciences Institute, University of California San Francisco, 490 Illinois Street, San Francisco, CA 94143, USA
3. Departments of Computer Science and Mathematics, University of Michigan, Bob and Betty Beyster Building, 2260 Hayward Street Ann Arbor, MI 48109, USA
4. Center for Cerebrovascular Research, Building 10, Zuckerberg San Francisco General, 1001 Potrero Avenue, San Francisco, CA 94110, USA