Funding for this research was provided by:
Natural Science Foundation of Guangxi Province (2017GXNSFAA198042)
Text and Data Mining valid from 2019-12-01
Received: 17 July 2019
Accepted: 9 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was approved by the institutional review board of First Affiliated Hospital, Guangxi Medical University. Written informed consent was obtained from the patients or patient’s parent to participate.
: Written informed consent was obtained from the patients or patient’s parent for publication of this paper and any accompanying images.
: The authors declare that they have no competing interests.