1. Institute of Applied Health Research, University of Birmingham, Birmingham, United Kingdom
2. Centre for Endocrinology, Diabetes, and Metabolism, Birmingham Health Partners, Birmingham, United Kingdom
3. Health Data Research UK, Birmingham, United Kingdom
4. Metabolic Neurology, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom
5. Department of Neurology, University Hospitals Birmingham, Queen Elizabeth Hospital, Birmingham, United Kingdom
6. Birmingham Neuro-Ophthalmology, Queen Elizabeth Hospital, Birmingham, United Kingdom