We, Circulation Journal, started to receive supplementary files in addition to main document, table(s) and figure(s), with the aim to enhance the scientific level of the Journal. Up to 3 supplementary files will be received per manuscript, including video files.
Please try to keep the total file size to 5 MB at the most. Please also note that all supplementary files undergo peer review, and they will be published only in the online journal after acceptance. Please see the Instructions to the authors for further information.