Liang, Yu
Liu, Shaojiang
Zhong, Fenglin
Article History
Received: 15 May 2021
Accepted: 17 June 2021
First Online: 21 June 2021
Declarations
:
: We declare that we have no conflicts of interest in the authorship or publication of this contribution.
: The datasets used and analysed during the current study are available from the database manager on reasonable request.
: Our study was approved by the Panzhihua Hospital Ethics Committee, written consent was provided by participants to be included in the study. Written informed consent for publication was obtained from all participants.