[1] AOR San Carlo, Neurol Dept, Potenza, Italy
[2] Alto Vicentino Hosp AULSS 7 Pedemontana, Neurol Dept, Santorso, Italy
[3] AOU Mater Domnini Magna Graecia Univ, Inst Neurol, Dept Med & Surg Sci, Catanzaro, Italy
[4] AOR San Carlo, Anesthesiol & Intens Care Dept, Potenza, Italy
[5] Univ Insubria, Anesthesiol Dept, Varese, Italy
[6] ASST Valtellina, Palliat Care & Pain Management Dept, Sondrio, Italy