Funding for this research was provided by:
National Natural Science Foundation of China (NO: 81560280)
Guangxi colleges and Universities Key Laboratory of Human Development and Disease Research (NO: 0102402214009C)
Guangxi Medical University innovation and entrepreneurship training program (NO: 2018089, 2018228, 2018331)
Received: 21 February 2020
Accepted: 12 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: Informed consent was taken from each participant, and the study protocol was approved by the Ethics Committee of Guangxi Medical University.
: All participants have written consent for publication.
: The authors declare no competing interests.