1. Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
2. California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, USA
3. Terasaki Institute for Biomedical Innovation, Los Angeles, Los Angeles, California 90024, USA
4. Multi-Scale Additive Manufacturing Lab, Mechanical and Mechatronics Engineering Department, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
5. Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, USA
6. Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, USA
7. Department of Biomedical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
8. School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
9. School of Engineering and Computer Science, University of Victoria, Victoria, British Columbia V8P 3E6, Canada
10. Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, USA