Funding for this research was provided by:
Young Scientists Fund (81400996)
Natural Science Foundation of Guangdong Province (2016A030313627)
Received: 20 February 2020
Revised: 29 April 2020
Accepted: 11 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: All experimental procedure was approved by the Guangdong Second Provincial General Hospital Ethics Committee, Guangzhou, China. All protocols were performed to minimize pain or discomfort.
: Not applicable.
: The authors declare that they have no competing interests.