【正】GENERAL INFORMATION World Journal of Hepatology (World J Hepatol, WJH, online ISSN 1948-5182, DOI: 10.4254), is a monthly, openaccess, peer- reviewed journal supported by an editorial board of 572 experts in hepatology from 45 countries.. The biggest advantage of the OA model is that it provides free, full-text articles in PDF and other formats for experts and