[1] IRCCS Don Gnocchi Fdn, Severe Brain Injuries Unit, I-50143 Florence, Italy
[2] Univ Florence, IRCCS Don Gnocchi Fdn, NARR Joint Lab, I-50134 Florence, Italy
[3] Univ Florence, Dept Expt & Clin Med, I-50134 Florence, Italy
[4] Careggi Univ Hosp, Microbiol & Virol Unit, I-50134 Florence, Italy
[5] IRCCS Don Gnocchi Fdn, I-20148 Milan, Italy
[6] Univ Foggia, Dept Clin & Expt Med, I-71122 Foggia, Italy
[7] IRCCS Don Gnocchi Fdn, Med Direct, I-50143 Florence, Italy