1. Department of Advanced Biomedical Sciences, University Hospital of Naples Federico II, Italy
2. Department of Public Health, University of Naples Federico II, Italy
3. University of Rome La Sapienza, Italy
4. San Giovanni di Dio e Ruggi d'Aragona University Hospital, Italy
5. Institute for Biomedical and Neural Engineering, Reykjavik University, Iceland
6. Department of Electrical Engineering and Information Technology, University of Study of Naples Federico II, Italy