Han, Yong
Chen, Min
Wang, Hangzhou
Article History
Received: 24 November 2020
Accepted: 29 December 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors received no financial and/or material support for the research reported in this paper. The authors state that there are no conflicts of interest arising from the research reported in this paper.
: Not applicable.
: Written informed consent was obtained from the patients for the publication of these cases and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.