Received: 10 July 2020
Accepted: 18 October 2020
First Online: 30 October 2020
Ethics approval and consent to participate
: Written consents were obtained from all patients involved in this study, which was approved by the Ethics Committee of Jilin University. All clinical research was performed on the basis of the principles expressed in the Declaration of Helsinki.
: Written informed consent was obtained from the patients for publication of this case series and any accompanying images.
: The authors declare that they have no competing interests.