1. Department of Biomedical Engineering Duke University Durham NC 27708 USA
2. Department of Automation Tsinghua University Beijing 100084 China
3. Division of Combustion Physics Department of Physics Lund University Lund 22100 Sweden
4. Institute of Medical Biotechnology Friedrich‐Alexander‐University Erlangen‐Nürnberg (FAU) Erlangen 91054 Germany
5. Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
6. Department of Electrical and Computer Engineering Duke University Durham NC 27708 USA
7. Department of Physics Duke University Durham NC 27708 USA