Funding for this research was provided by:
National Natural Science Foundation of China (81502026, 81972207)
Natural Science Foundation of Zhejiang Province (LQ16H180002, LY18H160026)
Received: 3 August 2019
Accepted: 14 October 2019
First Online: 1 November 2019
Ethics approval and consent to participate
: This study was performed in accordance with the Declaration of Helsinki and human experimentation ethically approved by the institutional review board of the Second Affiliated Hospital, Zhejiang University School of Medicine (approval number 2012–355). The committee is constituted in accordance with the Governance arrangements for research ethics and complies fully with standard operating procedures for research committees in China. All subjects were over the age of 18 and gave written informed consent to receive the procedure described in this study.
: Written informed consent was obtained from the patients for publication of this work and any accompanying images. A copy of the written consents is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.