1. From the Department of Biostatistics and Epidemiology, School of Public Health (D.G., I.T., A.D.), Imperial College London, United Kingdom
2. Department of Stroke Medicine (D.G., R.V.), Imperial College London, United Kingdom
3. Institute for Stroke and Dementia Research, University Hospital of Ludwig-Maximilians-University, Munich, Germany (M.K.G., R.M.)
4. Centre for Haematology (M.L.), Imperial College London, United Kingdom
5. Unit of Genomics of Complex Diseases, Institut d’Investigació Biomèdica Sant Pau, Barcelona, Spain (M.S.-L.)
6. Department of Medicine Solna, Cardiovascular Medicine Unit, Centre for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden (M.S.-L.)
7. MRC-PHE Centre for Environment, School of Public Health (I.T., A.D.), Imperial College London, United Kingdom
8. Department of Hygiene and Epidemiology, University of Ioannina Medical School, Greece (I.T.)
9. Department of Neurology, University of Heidelberg, Germany (R.V.)
10. Department of Neurology, Alfried Krupp Hospital, Essen, Germany (R.V.).