1 From the Comprehensive Stroke Center, Rhode Island Hospital/Department of Neurology, Alpert Medical School of Brown University, Providence, RI (B.S.); and Department of Cardiology, Bern University Hospital, Bern, Switzerland (S.W.). bsilver@lifespan.org.
2 From the Comprehensive Stroke Center, Rhode Island Hospital/Department of Neurology, Alpert Medical School of Brown University, Providence, RI (B.S.); and Department of Cardiology, Bern University Hospital, Bern, Switzerland (S.W.).