Article History
Received: 2 February 2021
Accepted: 28 May 2021
First Online: 10 June 2021
Declarations
:
: The study received ethical approval from the Committee for Medical Ethics of the Chinese PLA General Hospital, Beijing, China. All procedures performed in studies involving human participants were also in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: The authors declare no competing interests.