1. Department of Chest Surgery, the Central Hospital of Linyi, Yishui, Shandong, China
2. Department of Health, Linyi University Yishui, Yishui, Shandong, China
3. Department of Radiotherapy, the Second Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
4. Department of Clinical Laboratory, Yantaishan Hospital, Yantai, Shandong, China
5. Department of Emergency Surgery, Qingdao Medical Center, Qingdao, Shandong, China