Funding for this research was provided by:
National Natural Science Foundation of China (81801154)
Suzhou City People’s Livelihood Science and Technology Project (SYS2017051, SYS201722)
Received: 4 July 2020
Accepted: 7 January 2021
First Online: 5 February 2021
: The study was carried out according to the Declaration of Helsinki and the Guideline for Good Clinical Practice. The study protocol was approved by the institutional Human Research Ethics Committees of Suzhou Integrated Traditional and Western Medicine Hospital, and written informed consent was obtained from all participants or their authorized relatives.
: Not applicable.
: The authors declare that they have no competing interests.