Acknowledgements
This work was supported by the US Army Research Office (W911NF-18-1-0239), the National Science Foundation (CBET‐1438263), and ARPA-E grant DE-AR0000553 from the US Department of Energy. Some of the research reported in this publication was performed in the CCTI  Flow  Cytometry Core, supported in part by the Office of the Director, National Institutes of Health under awards S10RR027050. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. The authors have no competing interests to declare.