1. Department of Immunology, Binzhou Medical University, Yantai, Shandong 264000, P.R. China
2. Department of Laboratory Medicine, Yantai Hospital of Traditional Chinese Medicine, Yantai, Shandong 264000, P.R. China
3. School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
4. Department of Cellular Immunology, Shandong Yinfeng Academy of Life Science, Jinan, Shandong 250109, P.R. China
5. Laboratory of Precision Medicine, Zhangqiu District People's Hospital of Jinan Affiliated to Jining Medical University, Jinan, Shandong 250200, P.R. China