Funding for this research was provided by:
National Nature Science Foundation of China (No.81871899)
Construction Project of Fujian Province Minimally Invasive Medical Center (No. 171)
The second batch of special support funds for Fujian Province innovation and entrepreneurship talents (2016B013)
QIHANG funds of Fujian Medical University (No.2016QH025)
Natural Science Foundation of Fujian Province (2019J01155)
Received: 4 February 2019
Accepted: 26 August 2019
First Online: 14 September 2019
Ethics approval and consent to participate
: The study protocol conformed to the ethical guidelines of the 1975 Declaration of Helsinki, and the Ethics Committee of Fujian Medical University Union Hospital. Written informed consent was obtained before resection.
: Not applicable.
: The authors declare that they have no competing interests.