1. California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
2. Department of Chemistry & Biochemistry, University of California, Los Angeles, Los Angeles, Los Angeles 90095, United States
3. Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, Nebraska 68588, United States
4. Materials Design Division, Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., 02-507 Warsaw, Poland
5. Schepens Eye Research Institute of Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts 02114, United States
6. Department of Pediatrics, Eli & Edythe Broad Center of Regenerative Medicine and Stem Cell Research, Children’s Discovery and Innovation Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
7. Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
8. Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
9. Department of Radiology, University of California, Los Angeles, Los Angeles, California 90095, United States
10. Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
11. Terasaki Institute for Biomedical Innovation, Los Angeles, California 90049, United States
12. Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut 06030, United States