Text and Data Mining valid from 2019-09-23
Received: 20 April 2019
Revised: 29 July 2019
Accepted: 3 September 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: The animal experiments were approved by the Institutional Animal Committee of the Second Military Medical University (Shanghai, China).
: Not applicable.
: The authors declare that they have no competing interests.