Dr. Hiroki Nishikawa works in the Second Department of Internal Medicine at Osaka Medical College (Takatsukishi, Osaka, Japan). He is the Guest Editor of the Special Issue "Sarcopenia and Gastrointestinal Disease" and a Section Board Member of journal JCM in MDPI. His main research interests include liver cirrhosis, sarcopenia, liver-gut axis, viral hepatitis, hepatocellular carcinoma, frailty, malignancies, NASH, and interventional radiology. His scientific output includes 258 publications, corresponding to 4237 citations (h-index 33) (Scopus, 22 November 2023).

Dr. Soo Ki Kim works in the Department of Gastroenterology at Kobe Asahi Hospital (Kobe, Japan). He is a Councillor in the Western Division of the Japanese Society of Hepatology. He is the Guest Editor of the Special Issue "Hepatocellular Carcinoma and Hepatitis: Advanced Diagnosis and Management", published by MDPI. His main research interests include hepatitis B virus and NASH. His scientific output includes 42 publications, corresponding to 632 citations (h-index 8) (Scopus, 22 November 2023).

Dr. Akira Asai is an Associate Professor in the Second Department of Internal Medicine, at Osaka Medical and Pharmaceutical University (Takatsuki, Osaka, Japan). At Osaka Medical College (Takatsukishi, Osaka, Japan), he was an Assistant from 2014 to 2015, a Lecturer from 2016 to 2018, and an Associate Professor from 2019 to 2020. His research interests mainly focus on cancer cachexia. His scientific output includes 86 publications, corresponding to 1035 citations (h-index 19) (Scopus, 22 November 2023).