Gong, X.
Pan, Z.-Y.
Chen, J.
Yang, S.
Jiang, T.
Shen, Y.-M.
Article History
Received: 6 July 2020
Accepted: 30 October 2020
First Online: 23 November 2020
Compliance with ethical standards
:
: The authors declare that they have nothing to disclosure.
: This study was approved by the ethics committee of the Affiliated Beijing Chaoyang Hospital of Capital Medical University(No. No.2018-Ke-1).
: All procedures performed in this study were in accordance with the ethical standards of the Ethics Committee of Beijing Chao-Yang Hospital and with the 1964 Helsinki declaration and its later amendments. This study does not contain any animals performed by the authors.
: The informed consent forms were obtained from all patients.