Funding for this research was provided by:
National Natural Science Foundation of China (31770537)
Lanzhou Science and Technology Bureau (2017-RC-64)
Gansu Administration of Traditional Chinese Medicine Project (GZK-2019-47)
Cuiying Scientific and Technological Innovation Program of Lanzhou University Second Hospital (CY2017-QN20)
Received: 13 November 2019
Accepted: 16 May 2020
First Online: 17 June 2020
Ethics approval and consent to participate
: Approval for the research study was obtained from the Lanzhou University Second Hosptial Ethics Board (project approval number 2019-026).
: Not applicable.
: The authors declare that they have no competing interests.