Received: 3 December 2020
Accepted: 10 May 2021
First Online: 25 May 2021
: The study was approved by the Ethical Review Board of the Peking Union Medical College Hospital (agreement number: JS-908). Written informed consent was provided by each participant.
: Written informed consent for publication of clinical details and/or clinical images was obtained from the all of the participants.
: The authors declare that they have no competing interests.