研究单位：[1]Xuanwu Hospital,Beijing[2]The First Affiliated Hospital of Shanxi Medical University[3]Liaocheng Brains Hospital[4]Tianjin Huanhu Hospital[5]Baotou Central Hospital[6]The First Hospital of Jilin University[7]First Affiliated Hospital of Harbin Medical University[8]First Hospital of China Medical University[9]LanZhou University[10]First Affiliated Hospital of Xinjiang Medical University[11]The First Affiliated Hospital of Soochow University[12]Anhui Provincial Hospital[13]Guangdong Provincial Hospital of Traditional Chinese Medicine[14]ZhuHai Hospital[15]Fujian Provincial Hospital[16]Mianyang Central Hospital[17]The Second Affiliated Hospital of Kunming Medical University[18]Brains Hospital of Hunan Province[19]Henan Provincial People's Hospital[20]Luoyang Central Hospital[21]National Health and Family Planning Commission Stroke Prevention Engineering Committee[22]Dalian Municipal Central Hospital
研究目的：
The purpose of this multicenter study is to investigate the extra-/intra-cranial atherosclerosis distribution pattern in chinese populations with transient ischemic attack and ischemic stroke and analyze the influencing factors of atherosclerosis distribution pattern.
