[1] Univ Autonoma Barcelona, Dept Neurol Neuroimmunol, Multiple Sclerosis Ctr Catalonia Cemcat, Hosp Univ Vall dHebron, Barcelona, Spain
[2] Univ Autonoma Barcelona, Dept Neurol Neuroimmunol, VHIR, Barcelona, Spain
[3] Univ Autonoma Barcelona, Neuroradiol Sect, Dept Radiol, Hosp Univ Vall dHebron, Barcelona, Spain
[4] Univ Autonoma Barcelona, Neuroradiol Sect, Dept Radiol, VHIR, Barcelona, Spain