1. Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1−5/10, 8093 Zürich, Switzerland
2. Institute for Regenerative Medicine, University of Zürich, Wagistrasse 12, 8952 Schlieren, Switzerland
3. Institute for Biomedical Engineering, University of Zurich and ETH Zurich, Wolfgang-Pauli-Strasse 27, 8093 Zürich, Switzerland