Xie, Hong
Song, Jian
Sun, Liangliang
Xie, Xinxin
Sun, Yehuan
Article History
Received: 14 November 2019
Revised: 19 February 2020
Accepted: 25 February 2020
First Online: 10 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of Bengbu Medical College.
: Written informed consent was obtained from all participants.