1. Department of Epidemiology, Regional Health Service–Lazio, Via Cristoforo Colombo, 112, 00147 Rome, Italy
2. Management and Health Laboratory, Institute of Management, Department Embeds, Sant’Anna School of Advanced Studies, 56127 Pisa, Italy
3. Critical Pathways and Evaluation Outcome Unit, Fondazione Policlinico Universitario “A. Gemelli”-IRCCS, 00168 Rome, Italy
4. Faculty of Economics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy