Professor Ferraioli's work experience is From 11/2019 to today: Visiting Professor "Victor Babes" University of Medicine and Pharmacy, Timisoara (Romania); Research Coordinator Ultrasound Unit, Infectious Diseases Dept, Medical School University of Pavia (Italy); Co-Director of the Pavia Ultrasound Learning Center of the European Federation of Societies for Ultrasound In Medicine and Biology; Coordinator of the Ultrasound School endorsed by the Italian Society for Ultrasound in Medicine and Biology. Current research interests are liver elastography and non-invasive quantification of liver steatosis. From 07/2004 to 12/2006: Medical staff member“D. Cotugno” Hospital, Naples, Italy. Coordinator of the Ultrasound echo-Doppler School endorsed by the Italian Society for Ultrasound in Medicine and Biology. From 11/2002 to 06/2004: Medical staff member "San Giovanni di Dio e Ruggi d’Aragona" Hospital, Salerno, Italy. Head of the Ultrasound Unit, Emergency Dept. From 1983 to 10/2002: Medical staff member "M. Scarlato Hospital", Scafati (SA), Italy. Head of the Ultrasound Unit, Internal Medicine Dept.