Duan, Xiaohui
Hao, Ying
Cao, Zhenhua
Zhou, Chao
Zhang, Jin
Wang, Renbin
Sun, Shaojie
Gu, Weihong
Article History
Accepted: 27 August 2020
First Online: 5 September 2020
Compliance with Ethical Standards
: This study was approved by the Ethics Committee of China-Japan Friendship Hospital. The methods in this study were performed in accordance with the approved guidelines. Written informed consent was obtained from all the patients.
: The authors declare that they have no conflict of interest.
: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (ExternalRef removed), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.