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Article Processing Charge
Last updated April 29, 2019


Article Processing Charge

All authors are exempt from the publication fee. All articles published by Baishideng Publishing Group (BPG) are selected by an in-house editor and fully peer-reviewed by external reviewers. BPG applies the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/