Funding for this research was provided by:
National Natural Science Foundation of China (81972524, 81602366)
Science and Technology Commission of Shanghai Municipality (17DZ2260100)
Received: 5 March 2020
Accepted: 28 July 2020
First Online: 3 August 2020
Ethics approval and consent to participate
: This study complied with the Declaration of Helsinki and was approved by the Ethics Committee of Shanghai Ninth People Hospital. Written informed consent were obtained from all subjects.
: All the participants signed the consent for the publication of the clinical data of each case and the inclusion of pictures.
: The authors declared no potential conflicts of interest with respect to the research, authorship, and publication of this article.