1. Personalised Medicine Centre, School of Medicine, Ulster University, Derry BT47 6SB, UK
2. Department of Neurology, Royal Victoria Hospital, Belfast BT12 6BA, UK
3. Department of Neurology, Altnagelvin Hospital, Derry BT47 6SB, UK
4. Faculty of Medicine, Health & Life Sciences, Queen’s University, Belfast BT9 6AG, UK
5. Department of Neurology, Ulster Hospital, Belfast BT16 1RH, UK