【正】GENERAL INFORMATION World Journal of Stem Cells(World J Stem Cells, WJSC, online ISSN 1948-0210, DOI:10.4252), is a monthly, open-access (OA), peer-reviewed journal supported by an editorial board of 284 experts in stem cell from 28 countries.The biggest advantage of the OA model is that it provides free,full-text articles in PDF and other formats for experts and the public without registration,which eliminates the obstacle that traditional journals possess and usually