1. Centre for Research on Health and Social Care Management, SDA Bocconi School of Management, Bocconi University , Milan, Italy
2. Local Health Authority Alessandria , Alessandria, Italy
3. College of Healthcare Management and Economics, Gulf Medical University, Ajman, GSD Healthcare , Dubai, United Arab Emirates
4. Department of Internal Medicine, Unit of Infectious Diseases, Azienda Ospedaliera- Universitaria di Padova , Padua, Italy
5. Department of Hematology, Oncology and Infectious Diseases, Unit of Infectious Diseases, Azienda Sanitaria universitaria Giuliano Isontina , Trieste, Italy
6. Unit of Infectious Diseases, S. Bortolo Hospital , Vicenza, Italy