Zhang, Jingsi
Yang, Lina
Ding, Yanchun
Article History
Received: 31 January 2021
Accepted: 5 April 2021
First Online: 20 April 2021
Declarations
:
: The study protocols were approved by the Ethical Committee of the Second Affiliated Hospital of Dalian Medical University. Each patient signed the informed consent to participate in this study.
: Informed consent for publication was obtained from all participants.
: The authors declare that they have no conflict of interest.