Funding for this research was provided by:
National Natural Science Foundation of China (81771790)
Shanghai Jiao Tong University (YG2019ZDB09)
Received: 9 December 2019
Accepted: 13 January 2020
First Online: 29 January 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital. Written consents were obtained from all patients included in this study.
: Written informed consents were obtained from the patients for publication of this case series and any accompanying images. Written consents are available for review by the Editor-in-Chief of this journal.
: The authors declare that they have no competing interests.