1. Biomechanics Group, Department of Mechanical Engineering Imperial College London London UK
2. Department of Bioengineering Imperial College London London UK
3. Biological Imaging Centre, Central Biomedical Services Imperial College London, Hammersmith Hospital Campus London UK
4. Femtosecond Optics Group, Blackett Laboratory, Department of Physics Imperial College London London UK
5. Department of Clinical Studies, School of Veterinary Medicine, New Bolton Center University of Pennsylvania Philadelphia Pennsylvania USA
6. Division of Surgery and Interventional Science University College London Stanmore UK
7. Department of Neurosurgery BARTS Health NHS Trust London UK