Chen, Xianghong
Wang, Xingfan
Zhang, Zaozhang
Chen, Yuewu
Wang, Chao
Article History
Received: 13 July 2020
Revised: 9 October 2020
Accepted: 9 November 2020
First Online: 2 March 2021
Declarations
:
: Xianghong Chen, Xingfan Wang, Zaozhang Zhang, Yuewu Chen and Chao Wang declare that they have no competing interests.
: This study adhered to the World Medical Association Declaration of Helsinki, and was also approved by the Ethics Committee of the Second Affiliated Hospital of Hainan Medical University. Written informed consent was obtained from each study participant.