摘要
GENERAL INFORMATIONWorld Journal of Cardiology (World J Cardiol, WJC, online ISSN1949-8462, DOI: 10.4330) is a monthly peer-reviewed, online,open-access (OA), journal supported by an editorial board consist-ing of 352 experts in cardiology from 41 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 pub-lic
