1. Neurology Department; Hospital Clinic and Institut d'Investigació Biomèdica August Pi I Sunyer (IDIBAPS); Barcelona Spain
2. Neurological Tissue Bank; Biobanc-Hospital Clinic-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Barcelona Spain
3. Microbiology Department; Hospital Clinic; CRESIB; Barcelona Spain
4. Neuroinmunology and Multiple Sclerosis Unit; Neurology Department; IDIBGI; Hospital Universitari Dr. Josep Trueta; Girona Spain
5. Radiology Department; Hospital Universitari Dr. Josep Trueta; Girona Spain
6. Intensive Care Medicine Department; SCIAS-Hospital de Barcelona; Barcelona Spain
7. Unité des rickettsies; Faculté de médecine, Université de la Méditerranée; Marseille France