1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798
2. Energy Research Institute at Nanyang Technological University (ERI@N), 50 Nanyang Drive, Singapore 637553
3. Molecular Engineering Lab, Biomedical Sciences Institutes, A*STAR, 61 Biopolis Drive, Proteos, Singapore 138673
4. School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551
5. Department of Biomaterials, Max-Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany
6. Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, Proteos, Singapore 138673
7. Wyss Institute for Biologically Inspired Engineering, Harvard University, 60 Oxford Street, Cambridge, Massachusetts 02138, United States