Article History
Received: 23 September 2020
Revised: 18 November 2020
Accepted: 30 November 2020
First Online: 10 February 2021
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
: The study protocol was approved by the Affiliated Changzhou No.2 People’s Hospital of Nanjing Medical University, and all patients provided written informed consent. All of the procedures were in compliance with The Declaration of Helsinki and relevant policies in China.
: Not applicable.