1. Hygiene Unit, Policlinico Foggia Hospital, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
2. Management and Healthcare Laboratory, Institute of Management and Department EMbeDS, Scuola Superiore Sant'Anna, Pisa, Italy
3. Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
4. Department of Biological and Environmental Sciences and Technology, University of Salento, Lecce, Italy