Funding for this research was provided by:
Hangzhou Science and Technology Development Projects (20170533B70)
Hangzhou Science and Technology Bureau (20191203B129)
Received: 9 May 2020
Accepted: 25 February 2021
First Online: 10 March 2021
: A retrospective chart review was conducted on all of the patients at Hangzhou Red-Cross Hospital. This study was approved by the Institutional Review Board at Hangzhou Red-Cross Hospital. Written informed consents were obtained from all participants.
: Written informed consent was obtained from the all of the patients for publication of this study and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.