Funding for this research was provided by:
National Natural Science Foundation of China (81560551)
Text and Data Mining valid from 2020-04-25
Received: 2 September 2019
Accepted: 29 March 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: This study was approved by the Ethical Review Board of the First Affiliated Hospital of Shihezi University School of Medicine (IERB No. SHZ2010LL01). Participants gave their written informed consent to confirm their involvement prior to data collection.
: Not Applicable.
: The authors declare that they have no competing interests.