Li, Sijian
Yang, Tengyu
Xiang, Yang
Li, Xiaoyan
Zhang, Limeng
Deng, Shan
Article History
Received: 23 August 2020
Accepted: 29 March 2021
First Online: 9 April 2021
Declarations
:
: This retrospective study was approved by the Ethics Committee of Peking Union Medical College Hospital (reference number: S-K1198). The written informed consent was obtained from all the participants in our hospital in this study.
: Written informed consent for publication of their clinical details and/or clinical images was obtained from the patients. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no conflict of interests.