1. Diabetes and Metabolism Division, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
2. Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Centre for Motor Neuron Disease Research, Macquarie University, Sydney, NSW 2109, Australia
3. Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia
4. ARC Centre of Excellence for Nanoscale Biophotonics, Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
5. Center for Pharmaceutical Engineering and Sciences, Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298, United States
6. The Biological Resource Imaging Laboratory, University of New South Wales, Sydney, NSW 2052, Australia
7. Electron Microscope Unit, University of New South Wales, Sydney, NSW 2052, Australia
8. Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
9. Faculty of Medicine, University of New South Wales, Sydney, NSW 2052, Australia