1 Department of Hematology and Oncology, Department of Geriatric Lung Cancer Laboratory, Geriatric Hospital of Nanjing Medical University, Jiangsu Province Geriatric Hospital, No.65 Jiangsu Road, Gulou District, Nanjing, 210000, Jiangsu, People's Republic of China.
2 GCP Office, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, People's Republic of China.
3 Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210000, Jiangsu, People's Republic of China. bq_fan@139.com.
4 Department of Hematology and Oncology, Department of Geriatric Lung Cancer Laboratory, Geriatric Hospital of Nanjing Medical University, Jiangsu Province Geriatric Hospital, No.65 Jiangsu Road, Gulou District, Nanjing, 210000, Jiangsu, People's Republic of China. fwfei1974@njmu.edu.cn.