Tong, Yuanren
Lu, Keming
Yang, Yingyun
Li, Ji
Lin, Yucong
Wu, Dong
Yang, Aiming
Li, Yue https://orcid.org/0000-0002-1133-7317
Yu, Sheng
Qian, Jiaming
Funding for this research was provided by:
CAMS Innovation Fund for Medical Sciences (No, 2017-I2M-3-017)
National Natural Science Foundation of China (No. 11801301)
Beijing Natural Science Foundation (No. Z190024)
Article History
Received: 2 July 2020
Accepted: 23 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: This research was approved by the Ethics Committee of Peking Union Medical College Hospital on September 31st, 2018 (IRB S-K894).We hereby state that the study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki as reflected in a priori approval by the institution’s human research committee.The written/informed consent was exempted by the ethical committee of PUMCH because this was a retrospective study for about 10 years with little patients’ personal or sensitive information.
: Not Applicable.
: The authors claim no conflict of interest.