Funding for this research was provided by:
National Natural Science Foundation of China (81472061)
Text and Data Mining valid from 2018-07-25
Received: 11 April 2018
Accepted: 11 July 2018
First Online: 25 July 2018
Ethics approval and consent to participate
: Not applicable.
: Written informed consent was obtained from the patient for the publication of this report and any accompanying images.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.