Funding for this research was provided by:
China Pharmaceutical University (3150120001)
Text and Data Mining valid from 2018-08-08
Received: 18 October 2017
Accepted: 30 July 2018
First Online: 8 August 2018
Change Date: 30 August 2018
Change Type: Correction
Change Details: Following publication of the original article , the authors reported an error in Fig. 1A.
Ethics approval and consent to participate
: Ethical approval was waived since we used only publicly available data and materials in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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