Zhou, Nan
Xu, Xiaolin http://orcid.org/0000-0001-5449-1798
Liu, Yueming
Wang, Yaxing http://orcid.org/0000-0003-2749-7793
Wei, Wenbin http://orcid.org/0000-0003-2386-0989
Article History
Received: 19 October 2020
Revised: 2 June 2021
Accepted: 18 June 2021
First Online: 1 July 2021
Ethical approval
: The study followed the tenets of the Declaration of Helsinki and its ethical standards of 1964. The study was approved by the Medical Ethics Committee of the Beijing Tongren Hospital, and written informed consent was obtained from all participants.
: All authors consent to publish the manuscript.
: The authors declare no competing interests.