1. Sheffield Institute for Translational Neuroscience University of Sheffield Sheffield UK
2. Neuroscience Institute University of Sheffield Sheffield UK
3. Department of Automatic Control and Systems Engineering University of Sheffield Sheffield UK
4. Biophotonics Research Unit Gloucestershire Hospitals NHS Foundation Trust Gloucester UK
5. Biomedical Spectroscopy, School of Physics and Astronomy University of Exeter Exeter UK
6. Interface Analysis Centre, School of Physics University of Bristol Bristol 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