1. Department of Bioengineering, University of California, Los Angeles, 410 Westwood Plaza, Los Angeles, California 90095, United States
2. California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
3. Terasaki Institute for Biomedical Innovation, Los Angeles, California 90024, United States
4. Multi-Scale Additive Manufacturing Lab, Mechanical and Mechatronics Engineering Department, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
5. Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
6. Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
7. Department of Biomedical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
8. Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States