1. Department of Engineering Sciences, Guglielmo Marconi University, 00193 Rome, Italy
2. Section of Hygiene and Public Health, Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
3. Department of Quality Improvement, Royal College of Physicians of Ireland, D02 X266 Dublin, Ireland
4. S.C. Clinical Governance and Risk Management, Ligurian Health and Social Care Company 5, Via Fazio 30, 19121 La Spezia, Italy
5. Independent Researchers, 00192 Rome, Italy