In 2019, the World Journal of Hepatology (WJH) has published the 2^nd issue which containing 10 articles including 2 reviews, 1 minireviews, 3 original articles, and 4 case reports, contributed by scientists worldwide. Among these comprehensive articles are (1) “Bariatric surgery in patients with non-alcoholic fatty liver disease - from pathophysiology to clinical effects”, a Review by Henning Grønbæk, MD, PhD, Professor, et al from Department of Hepatology and Gastroenterology, Aarhus University Hospital, Denmark; (2) “Central line-associated bloodstream infection among children with biliary atresia listed for liver transplantation”, a Retrospective Study by Ryan W Himes, MD, Assistant Professor, et al Department of Pediatrics, Section of Gastroenterology, Hepatology, and Nutrition, Baylor College of Medicine, United States; and (3) “Necrolytic acral erythema in a human immunodeficiency virus/hepatitis C virus coinfected patient: A case report”, a Case Report by Katerina G Oikonomou, MD, PhD, Academic Fellow, et al Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, United States, etc. We invite you to peruse all 10 articles in this issue, as they present the latest research progress/findings and provide insightful comments in gastroenterology and hepatology that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 11, Issue 2, february 27, 2019.

Figure 1 The cover of the issue. Editor-in-Chief of World Journal of Hepatology, Ke-Qin Hu, FAASLD, MD, Director, Professor, Division of Gastroenterology and Hepatology, University of California, Irvine Medical Center, Orange, CA 92868, United States.

We encourage hepatologists worldwide to submit manuscripts to the WJH describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.