1. Centre for Biomimetic Sensor Science, School of Materials Science and Engineering, Nanyang Technological University, Research Techno Plaza, Sixth Storey XFrontiers Block, 50 Nanyang Avenue, 637553 Singapore
2. Research Center on Nanoscience and Nanotechnology (CIN2) CSIC, Campus UAB Edificio Q third floor, 08193 Bellaterra, Barcelona, Spain
3. Australian Synchrotron, Clayton, Victoria 3168, Australia
4. ISIS, Rutherford Appleton Laboratory, Oxfordshire, United Kingdom
5. Department of Biochemistry and Organic Chemistry, Uppsala University, BMC, Box 576, 751 23 Uppsala, Sweden
6. Division of Molecular Physics, Department of Physics, Chemistry and Biology, Linköping University, 581 83 Linköping, Sweden