1. Istituti Clinici Scientifici Maugeri IRCCS, Health Directorate, Via Camaldoli 64, 20138 Milan, Italy
2. Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation Department-ALS Unit, Via Camaldoli 64, 20138 Milan, Italy
3. Istituti Clinici Scientifici Maugeri IRCCS, Labion, Via Camaldoli 64, 20138 Milan, Italy
4. Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation Department, Via Camaldoli 64, 20138 Milan, Italy
5. Center for Clinical Ethics, Biotechnology and Life Sciences Department, Insubria University, 21100 Varese, Italy