Zhu, Yong
Liu, Kesen
Meng, Shuai
Jia, Ruofei
Lei, Xuan
Chen, Maolin
Zou, Kaiyuan
Zhu, Huagang
Jin, Zening
Article History
Received: 2 April 2020
Accepted: 2 July 2020
First Online: 4 July 2020
Ethics approval and consent to participate
: The study protocol was developed in compliance with the Declaration of Helsinki, and the study was approved by the Ethics Committee of Beijing Anzhen Hospital, Capital Medical University. Before the beginning of the study, we obtained written informed consent from each patient.
: Not applicable.
: The authors declare that they have no competing interests.