Received: 30 December 2020
Accepted: 22 February 2021
First Online: 9 March 2021
Ethics approval and consent to participate
: This study was approved by the institutional review board at Peking Union Medical College Hospital. The patient signed the informed consent form to participate.
: Written informed consent was obtained by the study participant. Proof of consent to publish from the study participant can be requested at any time.
: The authors declare that they have no competing interests.