[1] Univ Barcelona, Vasculitis Res Unit, Dept Syst Autoimmune Dis, Hosp Clin,Inst Invest Biomed August Pi & Sunyer I, Villarroel 170, E-08036 Barcelona, Spain
[2] Univ Barcelona, Vasculitis Res Unit, Emergency Dept, Hosp Clin,Inst Invest Biomed August Pi & Sunyer I, Villarroel 170, E-08036 Barcelona, Spain
[3] Univ Barcelona, Neurosci Dept, Hosp Clin, Inst Invest Biomed August Pi & Sunyer IDIBAPS, Villarroel 170, E-08036 Barcelona, Spain
[4] Univ Barcelona, Ctr Diagnost Imaging, Hosp Clin, Inst Invest Biomed August Pi & Sunyer IDIBAPS, Villarroel 170, E-08036 Barcelona, Spain