Text and Data Mining valid from 2019-09-16
Received: 21 February 2019
Accepted: 15 August 2019
First Online: 16 September 2019
Ethics approval and consent to participate
: All procedures involving rats were carried out in accordance with the strict standards of the National Institutes of Health guide for the care and use of laboratory animals, and the program was approved by the Institutional Animal Care and Use Commitee of Sun Yat-sen University.
: Not applicable.
: The authors declare that they have no competing interests.