Table 9.

Search query related to four main concepts which are combined to formulate final query for four databases

Concepts	Keywords
Concept 1: Keywords related to diagnosis	chronic liver disease(s) OR acute liver disease(s) OR focal liver disease(s) OR diffuse liver disease(s) OR liver lesion(s) OR hepatic disease(s) OR fibrosis OR steatosis OR fatty liver disease OR nonalcoholic steatohepatitis OR NASH OR nonalcoholic fatty liver disease OR NAFLD OR hepatocellular carcinoma OR HCC
Concept 2: Keyword related to tasks	classification OR detection OR localization OR segmentation OR registration OR tracking OR temporal analysis OR severity scoring
Concept 3: Keywords related to imaging modalities	ultrasound OR contrast-enhanced ultrasound OR CEUS OR computed tomography OR CT OR magnetic resonance imaging OR MRI
Concept 4: Keywords related to computer applications	computer-aided OR computer-aided detection OR computer-aided diagnosis OR automated analysis OR artificial intelligence OR machine learning OR deep learning OR deep neural network OR convolutional neural network OR cnn OR dnn OR deep-cnn
Search query	(Concept 1) AND (Concept 2) AND (Concept 3) AND (Concept 4)