Cheng, Linlin
Li, Yang
Wu, Ziyan
Li, Liubing
Liu, Chenxi
Liu, Jianhua
Dai, Jiayu
Zheng, Wenjie
Zhang, Fengchun
Tang, Liujun
Yu, Xiaobo
Li, Yongzhe
Article History
Received: 24 November 2020
Accepted: 29 January 2021
First Online: 22 February 2021
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of Peking Union Medical College Hospital. This manuscript does not contain data for any individual person.
: Not applicable.
: The authors declare they have no competing interests.