Funding for this research was provided by:
Yunan health training project of high level talents (L-2018010)
Science and Technology Innovation Team Project of Kunming Medical University (CXTD201711)
Text and Data Mining valid from 2020-02-29
Received: 16 January 2020
Accepted: 19 February 2020
First Online: 29 February 2020
Ethics approval and consent to participate
: All clinical procedures in this study were approval by the Human Body Science Committee of Kunming Medical University, and all patients signed informed consent before operation.
: All authors approved the final manuscript for publication.
: The authors declare that they have no competing interests.