1. From the International Consortium of Health Outcomes Measurement, Cambridge, MA (J.S., S.M.S.); Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston (J.S., L.H.S.); American Heart Association/American Stroke Association (AHA/ASA), Liberty Hospital, MO (T.A.); The Florey Institute of Neuroscience and Mental Health, Melbourne, Victoria, Australia (J.B.); UCLPartners Academic Health Science Network, Royal Free London NHS Foundation Trust, London, United Kingdom (C.D....