1. Department of Public Health, University of Naples "Federico II", Italy
2. A.O.R.N. "A. Cardarelli", Italy
3. "Federico II" University Hospital, Italy
4. Department of Public Health, University 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. Department of Advanced Biomedical Sciences, University of Naples "Federico II", Italy