Received: 7 February 2020
Accepted: 27 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: The study protocol was approved by the Animal Ethics and Welfare Committee of the School of Public Health, Southern Medical University and adhered to the guidelines for the Rules for the Implementation of Laboratory Animal Medicine (1998) from the Ministry of Health, China. All surgical procedures were performed under anesthesia in efforts to minimize suffering. Endangered or protected species were not involved in this study.
: Not applicable.
: The authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.