[1] POLICLIN A GEMELLI,DIPARTIMENTO SCI NEUROL,I-00185 ROME,ITALY
[2] OSPED S EUGENIO,NEUROL CLIN,ROME,ITALY
[3] UNIV CATTOLICA SACRO CUORE,CLIN NEUROCHIRURG,ROME,ITALY
[4] UNIV ROMA TOR VERGATA,DIPARTIMENTO MED INTERNA,ROME,ITALY
[5] IRCCS S LUCIA,ROME,ITALY
[6] UNIV ROMA LA SAPIENZA,ROME,ITALY
[7] MED NEUROMED,IST NEUROL,POZZILLI,ISERNIA,ITALY