摘要
GENERAL INFORMATION World Journal of Cardiology (World J Cardiol, WJC, online ISSN 1949-8462, DOI: 10.4330) is a monthly peer-reviewed, online, open-access (OA), journal supported by an editorial board consisting of 350 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 public without registration, which eliminates the obstacle that
