Funding for this research was provided by:
National Natural Science Foundation of China (81471994)
Text and Data Mining valid from 2020-03-14
Received: 24 July 2019
Accepted: 2 March 2020
First Online: 14 March 2020
Ethics approval and consent to participate
: Not applicable.
: Written consent was obtained from two patients for publication of this report.
: The author(s) declare that they have no competing interests.