Abdalkader M, Finitsis S, Li C, Hu W, Liu X, Ji X, Huo X, Alemseged F, Qiu Z, Strbian D, Puetz V, Siegler JE, Yaghi S, Asif K, Klein P, Zhu Y, Campbell BC, Chen HS, Nagel S, Tsivgoulis G, Miao Z, Nogueira RG, Jovin TG, Schonewille WJ, Nguyen TN, on behalf of the BasilaR Artery Ischemia Network STudy of Endovascular versus Medical Management (BRAINSTEM) Group