Intracranial Atherosclerosis

• Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College — Beijing, Beijing Municipality, China
• Chinese PLA General Hospital — Beijing, Beijing Municipality, China
• The Third Affiliated Hospital of Sun Yat-sen University, Yuedong Hospital — Meizhou, Guangdong, China
• Cangzhou Hospital of Integrated Traditional Chinese and Western Medicine — Cangzhou, Hebei, China

• The First Affiliated Hospital of Henan Science ＆ Technology University — Luoyang, Henan, China
• Zhongnan Hospital of Wuhan University — Wuhan, Hubei, China
• Nanjing Drum Tower Hospital — Nanjing, Jiangsu, China
• Jiangxi Provincial People's Hospital — Nanchang, Jiangxi, China

• National University Hospital — Singapore

• University Hospital Basel, Department of Interventional and Diagnostical Neuroradiology — Basel, Canton of Basel-City, Switzerland

• University of Calgary — Calgary, Alberta, Canada
• Dr. Mark I. Boulos - Sunnybrook Health Sciences Centre — Toronto, Ontario, Canada

• Anhui Medical University — Hefei, Anhui, China

• Department of Neurology, General Hospital of Northern Theater Command — Shenyang, China

• Xuanwu Hospital, Capital Medical University — Beijing, None Selected, China

• Xuanwu Hospital, Capital Medical University — Beijing, Beijing Municipality, China

Not specified