1. Department of Internal Medicine, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou Science and Technology Town Hospital, Suzhou, Jiangsu, China
2. Geriatric Lung Cancer Research Laboratory, Department of Hematology and Oncology, Jiangsu Province Geriatric Hospital, Nanjing, Jiangsu, China
3. Department of Hematology and Oncology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
4. Department of Internal Medicine, The First People’s Hospital of Kunshan Affiliated with Jiangsu University, Suzhou, Jiangsu, China
5. Department of Pathology, Jiangsu Cancer Hospital, Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
6. Department of Pathology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China