Funding for this research was provided by:
National Natural Science Foundation of China (81590950, 81873383)
National Basic Research Program of China (2012CB518501)
Department of Science and Technology of Sichuan Province (18YYJC0095, 2018JY0482)
Received: 17 May 2020
Accepted: 22 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The study protocol was approved by Sichuan Regional Ethical Review committee of the Teaching Hospital of Chengdu University of Traditional Chinese Medicine(2012KL-003) and conformed to the ethical guidelines of the 1975 Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.