“…Practitioners need to be competent in the intravenous administration of contrast agents, be familiar with contraindications and be able to manage any possible adverse effects within the medical and legal framework of their country [4,38]. We refer to the educational activities of the collaborating societies of this paper, the World Federation of Ultrasound in Medicine and Biology (WFUMB) [9,23,[93][94][95][96][97][98][99][100][101][102], the European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB) [1,3,4,11,37,38,49,50,74,79,[103][104][105][106][107][108][109][110][111][112][113][114][115][116][117][118][119] and the CEUS LI-RADS Working Group for Liver Imaging Reporting and Data System (LI-RADS®) [34][35][36][120]…”