1. Department of Bioengineering, University of California, Berkeley, California 94720, United States
2. Lodespin Labs LLC, Seattle, Washington 98103, United States
3. Department of Materials Science, University of Washington, Seattle, Washington 98195, United States
4. Magnetic Insight, Inc., Alameda, California 94501, United States
5. Department
of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720, United States