1. Rheumatology and Clinical Immunology, Department of Medicine, School of Medicine, University of Rome “Campus Bio-Medico”, 00128 Rome, Italy
2. Clinical and Research Section of Rheumatology and Clinical Immunology, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
3. Instituite of Neurology, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Rome, Italy
4. Unit of Headache and Neurosonology, Department of Medicine and Surgery, University of Rome “Campus Bio-Medico”, 00128 Rome, Italy