Article History
Received: 29 March 2019
Accepted: 30 September 2019
First Online: 28 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.Research involving human participants and/or animalsThe study design was approved by the ethical review committee of the First Affiliated Hospital of Guangxi Medical University (No. KY-E-023).
: All study participants provided written informed consent.