Author contribution
Lifeng Wang, corresponding author of this paper, was responsible for the design and conception of the study, data analysis, review and revision of the manuscript. Bingyu Wang, the lead author of this paper, was mainly responsible for research design and conception, data analysis, and writing the original manuscript. Peng Guanfa was mainly responsible for handling serum samples. Chen Li, mainly responsible for anesthesia management. Zhou Jianshun, Liu Yingying, Guo Mingling and Chen Zhen participated in the data collection. Eventually, all authors read and agreed to publish this article.