1. Department of Health Sciences and Technology, ETH Zürich, Zürich 8093, Switzerland
2. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Boston, Massachusetts 02134, United States
3. Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02215, United States
4. Department of Bioengineering, Stanford University, Stanford, California 94305, United States
5. Basic Science & Engineering (BASE) Initiative, Stanford University School of Medicine, Stanford, California 94305, United States
6. Readily3D SA, EPFL Innovation Park, Lausanne 1015, Switzerland