1. Materials Department, University of California, Santa Barbara, California 93106, United States
2. Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 136834, Singapore
3. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
4. Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
5. Marine Science Institute, University of California, Santa Barbara, California 93106, United States
6. Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, California 93106, United States
7. Molecular Engineering Laboratory, Institute of Molecular and Cell Biology (IMCB), A*STAR, 61 Biopolis Drive, Singapore 138673, Singapore
8. Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University (NTU), Singapore 639798, Singapore
9. School of Biological Sciences, NTU, Singapore 637551, Singapore