1. Department of Neurology/Radiology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts
2. Department of Interventional Neuroradiology, Private Koru Hospitals, Ankara, Turkey
3. Department of Radiology, Centre Hospitalier de l'Universite de Montreal, Montreal, Canada
4. Department of Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, People's Republic of China
5. Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
6. Department of Interventional Neuroradiology, Aachen University Hospital, Aachen, Germany
7. Department of Neuroscience and Stroke Program, Bon Secours Mercy Health St Vincent Hospital, Toledo, Ohio
8. Division of Life Sciences and Medicine, Stroke Center and Department of Neurology, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
9. Department of Neurology, Zeenat Qureshi Stroke Institute, University of Missouri, Columbia, Missouri