GENERAL INFORMATION World Journal of Radiology(World J Radiol,WJR,online ISSN 1949-8470,DOI:10.4329)is a peer-reviewed open access(OA)academic jour-nal that aims to guide clinical practice and improve diagnostic and therapeutic skills of clinicians.Aim and scopeWJR covers topics concerning diagnostic radiology,radiation on-cology,radiologic physics,neuroradiology,nuclear radiology,pedi-atric radiology,vascular/interventional radiology,medical imaging