1. CIRCA consortium (E.H.L., G.W.A., M.D., G.D., E.E., R.F., D.W.H., Y-G.H., X.J., E.B.K., S.L., W.L., D.S.L., I.L., E.T.M., M.A.M., M.N., D.R., S.S., J.L.S., F.A.J.L.S., M.S., S.T., F.Z., A.M.B.), Massachusetts General Hospital, Harvard Medical School, Boston.
2. Departments of Radiology (E.H.L., E.E., W.L., E.T.M., S.S., F.Z.), Massachusetts General Hospital, Harvard Medical School, Boston.
3. Department of Neurology, Stanford Stroke Center, Stanford University, Palo Alto (G.W.A., S.L.).
4. German Center for Neurodegenerative Diseases (DZNE, Munich) and Munich Cluster for Systems Neurology (SyNergy), Germany (M.D.).
5. Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, Germany (M.D., S.T.).
6. Departments of Medicine and Neurology, Royal Melbourne Hospital, University of Melbourne, Australia (G.D.).
7. Sleep and Circadian Neuroscience Institute, Nuffield Department of Clinical Neurosciences (R.F.), University of Oxford, United Kingdom.
8. Tasmanian School of Medicine, University of Tasmania, Australia (D.W.H.).
9. Department of Stroke Medicine (Y.H., A.M.B.), University of Oxford, United Kingdom.
10. Beijing Institute for Brain Disorders, China (X.J.).
11. Neurology (E.B.K., M.N.), Massachusetts General Hospital, Harvard Medical School, Boston.
12. Department of Neurology, Geffen School of Medicine, University of California Los Angeles (J.L.S., D.S.L.).
13. Department of Pharmacology and Toxicology, Complutense Medical School, Instituto de Investigación Hospital 12 de Octubre, Madrid, Spain (I.L.).
14. Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain (M.A.M.).
15. NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, and Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, United Kingdom (D.R.).
16. Departments of Medicine and Neurology, Brigham & Women’s Hospital (F.A.J.L.S.), Harvard Medical School, Boston.
17. Department of Neurology, Beth Israel Deaconess Medical Center (M.S.), Harvard Medical School, Boston.