[1] Azienda Unita Sanit Locale AUSL Romagna, Dept Emergency Surg & Trauma, Bufalini Hosp, Anesthesia & Intens Care Unit, Cesena, Italy
[2] ASST Grande Osped Metropolitano Niguarda, Neurosci Intens Care Unit, Milan, Italy
[3] Bufalini Hosp, Dept Neurosci, Neurol & Stroke Unit, Cesena, Italy
[4] Bufalini Hosp, Dept Neurosci, Neuroradiol, Cesena, Italy
[5] Maurizio Bufalini Hosp, Dept Neurosurg, Cesena, Italy