1. Department of Neurology and Comprehensive Stroke Center, Geffen School of Medicine, University of Los Angeles, CA (J.L.S., M.B.-H., D.S.L., K.T.M., E.M.S.).
2. Department of Neurology, Cardio-Neurology Division, Massachusetts General Hospital (E.B.K., M.N.), Harvard Medical School, Boston.
3. Division of Sleep Medicine (E.B.K.), Harvard Medical School, Boston.
4. Acute Stroke Programme, Radcliffe Department of Medicine (A.M.B., P.M.), University of Oxford, United Kingdom.
5. Department of Neurology and Stroke Center, Doce de Octubre University Hospital (P.C.), Complutense Medical School, Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain.
6. Department of Pharmacology and Toxicology (I.L.), Complutense Medical School, Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain.
7. Department of Neurology, Stanford University, Palo Alto, CA (S.L., P.S., A.S., G.W.A.).
8. Center for Stroke Research Berlin (P.M.), Charité–Universitätsmedizin Berlin, Germany.
9. Department of Neurology With Experimental Neurology, Clinical Research Center (P.M.), Charité–Universitätsmedizin Berlin, Germany.
10. Departments of Medical Imaging and Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada (D.P.).
11. Oxford Centre for Diabetes, Endocrinology and Metabolism, and Oxford Kavli Centre for Nanoscience Discovery, Radcliffe Department of Medicine (D.R.), University of Oxford, United Kingdom.
12. Wolfson Centre for Prevention of Stroke and Dementia, Nuffield Department of Clinical Neurosciences (P.M.R., A.J.S.W.), University of Oxford, United Kingdom.
13. Neurology Department, Hôpital Fondation A. de Rothschild, Institut de Psychiatrie et Neurosciences de Paris, UMR_S1266, INSERM, Université de Paris, France (P.S.).
14. Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Germany (S.T., T.A.W.).