Funding for this research was provided by:
National Natural Science Foundation of China (81722001 and 81572038)
Received: 10 June 2019
Accepted: 19 August 2019
First Online: 29 August 2019
Ethics approval and consent to participate
: The study was approved by the Clinical Research Ethics Committee of Chongqing Medical University, and all subjects provided informed consent, and written informed consent was obtained from all subjects prior to participation according to the Declaration of Helsinki. All animal experiments were discussed with and approved by the Animal Care and Use Committee of the Chongqing Medical University and carried out according to the recommendations in the guide for the care and use of laboratory animals conformed to animal protection laws of China and applicable guidelines.
: Not applicable.
: The authors declare that they have no competing interests.