Usefulness of TNFR1 as biomarker of intracranial aneurysm in patients with spontaneous subarachnoid hemorrhage - de Torres, Reyes (Hospital Universitario Virgen Macarena (Sevilla, Andalusia)) ; Mancha, Fernando (Instituto de Biomedicina de Sevilla) ; Bustamante, Alejandro (Hospital Universitari Vall d'Hebron) ; Canhao, Patricia (Neuroradiology Department, Centro Hospitalar Lisboa Central, Lisboa, Portugal) ; Fragata, Isabel (Faculdade de Medicina, Instituto de Medicina Molecular, Universidade de Lisboa, Lisboa, Portugal) ; Montaner, Joan (Hospital Universitari Vall d'Hebron) ; Universitat Autònoma de Barcelona