1. Sheffield Institute for Translational Neuroscience, University of Sheffield, UK
2. Neuroscience Institute, University of Sheffield, UK
3. Phenome Centre Birmingham, University of Birmingham, UK
4. Biophotonics Research Unit, Gloucestershire Hospitals NHS Foundation Trust, UK
5. Biomedical Spectroscopy, School of Physics and Astronomy, University of Exeter, UK
6. Department of Neurology, Sheffield Teaching Hospitals NHS Foundation Trust, UK
7. Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
8. NHS Highly Specialised Service for Rare Mitochondrial Disorders, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
9. Interface Analysis Centre, School of Physics, University of Bristol, UK