Affiliation: | 1. Department of Respiratory Medicine, Nanjing Chest Hospital, 215 Guangzhou Road, 210029, Nanjing, Jiangsu, China 2. Clinical Center of Nanjing Respiratory Diseases, 210029, Nanjing, Jiangsu, China 3. Center of Laboratory, Nanjing Chest Hospital, 210029, Nanjing, Jiangsu, China 4. Department of Pathology, Nanjing Chest Hospital, 210029, Nanjing, Jiangsu, China 5. Department of Geriatrics Medicine, Nanjing Second Hospital, 210003, Nanjing, Jiangsu, China
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