1. Department of Public Health, University Hospital of Naples 'Federico II', Italy
2. Department of Advanced Biomedical Sciences, University Hospital of Naples 'Federico II', Italy
3. Department of Electrical Engineering and Information Technologies, University of Naples 'Federico II', Italy
4. Department of Public Health, University Hospital of Naples 'Federico II', Italy and Interdepartmental Center for Research in Healthcare Management and Innovation in Healthcare (CIRMIS), University of Naples 'Federico II', Italy
5. Institute for Biomedical and Neural Engineering, Reykjavik University, Iceland