1. Medical school, University of Birmingham, Birmingham, UK
2. Translational Brain Science, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
3. Department of Neurology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
4. Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
5. Birmingham Neuro-Ophthalmology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK