Author: Barinagarrementeria F, Bousser MG, Canhão P, Coutinho JM, Crassard I, Cucchiara B, Derex L, Ferro JM, Lichy C, Masjuan J, Massaro A, Matamala G, Poli S, Saadatnia M, Second International Study on Cerebral Vein and Dural Sinus Thrombosis (ISCVT 2) Investigators, Stam J, Stolz E, Viana-Baptista M