Funding for this research was provided by:
National Major Science and Technology Projects of China (2019YFC1710302)
Health and Science Research Project of Sichuan Provincial Health Committee (19PJ034)
Received: 4 March 2020
Accepted: 15 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This trial was approved by the Medical Ethics Committee of Affiliated Hospital of Chengdu University of traditional Chinese Medicine, which belongs to Regional Ethical Review Committee of Traditional Chinese Medicine in Sichuan province (reference number: 2019KL-001). Written informed consent will be obtained from all participants. All procedures in the study are in accordance with the declaration of Helsinki. The authors intend to publish the findings of the study in peer-reviewed journals.
: Not applicable.
: The authors declare that they have no competing interests. This study protocol has undergone peer-review by the funding body.