1. Birmingham Neuro-Ophthalmology, Queen Elizabeth Hospital, Birmingham, United Kingdom (UK)
2. Metabolic Neurology, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
3. Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
4. Department of Neurology, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Birmingham, UK