1. Department of Thoracic Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China
2. Department of Nephrology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China
3. Department of Health Management Center, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China
4. Department of Thoracic Surgery, Tai’an City Central Hospital, Tai’an, Shandong 271000, China
5. Department of Thoracic Surgery, Tangdu Hospital of the Fourth Military Medical University, Xi’an, Shaanxi 710032, China
6. Department of Thoracic Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150000, China
7. Department of Radiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China.