Funding for this research was provided by:
National Natural Science Foundation of China (81970083)
Received: 7 April 2020
Accepted: 21 September 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This study was carried out in accordance with the principles of the Declaration of Helsinki and approved by the Ethics Review Committee of Tianjin Medical University General Hospital. All of the patients included provided written informed consent for the use of their samples in research.
: Not applicable.
: The authors declare that they have no competing interests.