1IMTEK-Department of Microsystems Engineering, University of Freiburg, Freiburg, Germany.
2Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, UK.
3Department of Physiology, Anatomy and Genetics, Department of Engineering Science, Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK.
4Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA.
5Institute of Medical Engineering & Science and Department of Biological Engineering, MIT, Cambridge, MA, USA.
6Broad Institute of MIT and Harvard, Cambridge, MA, USA.
7Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, UK. molly.stevens@dpag.ox.ac.uk.
8Department of Physiology, Anatomy and Genetics, Department of Engineering Science, Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK. molly.stevens@dpag.ox.ac.uk.
9IMTEK-Department of Microsystems Engineering, University of Freiburg, Freiburg, Germany. can.dincer@tum.de.
10Institute of Biomedical Engineering-MIBE, Department of Electrical Engineering, TUM School of Computation, Information and Technology, Technical University of Munich, Munich, Germany. can.dincer@tum.de.