Funding for this research was provided by:
National Natural Science Foundation of China (81470187)
Science and Technology Project of Tianjin (no.18ZXZNSY00280)
Tianjin Health Commission Science and Technology Talent Cultivation Project (KJ20022)
Received: 1 November 2020
Accepted: 25 March 2021
First Online: 9 April 2021
: The study was approved by the Ethics Committee of Chu Hsien-I Memorial Hospital of Tianjin Medical University (No. DXBYYhMEC2016-21) and that it conforms to the provisions of the Declaration of Helsinki (as revised in Fortaleza, Brazil, October 2013).
: All authors of the manuscript have read and agreed to its content and are accountable for all aspects of the accuracy and integrity of the manuscript. Submitted article is original, it has not already been published in other journal, and is not currently under consideration by another journal.
: The authors declare that they have no competing interests.