Author: Algra A, Cate FJ, Cramer MJ, Girbes AR, Götte MJ, Groen RJ, Hasan D, Horn J, Kamp O, Regtien JG, Rinkel GJ, SEASAH (Serial Echocardiography After Subarachnoid Hemorrhage) Investigators, van den Berg MP, van den Brink RB, van der Bilt IA, van der Jagt M, van Kooten F, Vandertop WP, Wilde AA