Open Access Notice
Journal of Southern Medical University is an open access (OA) Journal. Once published, all articles of this journal will be published through the official website immediately（http://www.j-smu.com/）. It is permanently and freely available to all non-commercial users to read, download, copy, disseminate, print and link to the full text without prior permission from the publisher or author. Journal of Southern Medical University does not charge for OA article processing separately, and it follows the definition of open access by BOAI (Budapest Open Access Initiative).