1 School of Emergency Medicine and Department of Advanced Biomedical Science, Federico II University Hospital, Via Sergio Pansini 5, 80131, Naples, Italy. [email protected].
2 Surgical and Medical Department of Digestive, Hepatic and Endocrine-Metabolic Diseases, Diagnostic and Therapeutic Interventional Ultrasound Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
3 Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.
4 2ª Medicina ASST Spedali Civili di Brescia, Piazzale Spedali Civili 1, 25123, Brescia, Italy.
5 Department of Biomedical and Clinical Sciences, University of Milano and Medicina Generale, Ospedale L.Sacco, ASST-Fatebenefratelli-Sacco, Milan, Italy.