[1] Montecatone Rehabil Inst, Spinal Unit, Imola, Italy
[2] Univ Hosp Marche, Spinal Cord Unit, Ancona, Italy
[3] ASST GOM Niguarda CaGranda, Spinal Unit, Milan, Italy
[4] Azienda Osped Univ Policlin, Dept Neurosci & Translat Med, Spinal Unit, Bari, Italy
[5] Azienda Osped Univ Careggi, Dept Neurourol, Spinal Unit, Florence, Italy
[6] Azienda Osped CTO Pini, UO Complesso Mielolesi, Milan, Italy
[7] AUSL Piacenza, Spinal Unit & Neurorehabil, Dept Riabil Med, Piacenza, Italy