Funding for this research was provided by:
Young Scientists Fund (81601896)
Text and Data Mining valid from 2019-04-08
Received: 1 November 2018
Accepted: 25 March 2019
First Online: 8 April 2019
Ethics approval and consent to participate
: The current research was approved from the Huashan Hospital institutional review board (protocol number 2017–338).Informed consent from the participants was waived by the institutional review board as the current study satisfied all of the following requirements for the waiver of informed consent:The research involved no more than minimal risk to the participants (retrospective data analysis of previously collected medical records).
: Not applicable.
: The authors declare that they have no competing interests.
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