Funding for this research was provided by:
National Natural Science Foundation of China (31771058)
Article History
Received: 9 September 2020
Accepted: 24 October 2020
First Online: 19 November 2020
Compliance with ethical standards
:
: Zheng Xing, Chen Zhao, Chunchen Zhang, Yubo Fan and Haifeng Liu declare that they have no conflict of interest.
: All the procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5). Informed consent was obtained from all patients for being included in the study.