1. NHS Greater Glasgow and Clyde Health Board; Royal Alexandra Hospital Paisley UK PA2 9PN
2. Mater Dei Hospital; Department of Medicine; Msida Malta
3. Kaohsiung Medical University; Division of Geriatrics and Gerontology, Department of Internal Medicine and Department of Neurology, Kaohsiung Medical University Hospital; Kaohsiung Taiwan
4. West China Hospital, Sichuan University; Department of Neurology; Chengdu China
5. Uppsala University; Department of Neuroscience, Neurology; Uppsala Sweden
6. Karolinska Institutet; Department of Clinical Neurosciences; Stockholm Sweden
7. Danderyd Hospital; Department of Neurology; Danderyd Sweden
8. Bashkir State Medical University; Department of Neurology, Neurosurgery and Medical Genetics; Ufa Russian Federation
9. University of Edinburgh; Centre for Clinical Brain Sciences; Edinburgh UK
10. Royal Infirmary of Edinburgh; Department of Stroke Medicine; 51 Little France Crescent Edinburgh UK EH16 4SA
11. Borders General Hospital; Department of General Medicine; Melrose Scotland UK
12. University of Edinburgh; Department of Geriatric Medicine; Edinburgh UK
13. The University of Sydney; Sydney School of Public Health, Faculty of Medicine and Health; Sydney NSW Australia 2050
14. The University of Western Australia; Medical School, Faculty of Health and Medical Sciences,; 6 Verdun Street Nedlands Perth Western Australia Australia 6009