Affiliation: | 1. Department of Clinical Medicine, Binzhou Medical University, Yantai, China;2. Key Laboratory of Tumour Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology, Binzhou Medical University, Yantai, China;3. Department of Respiratory Medicine, Shengli Oilfield Central Hospital, Dongying, China;4. Department of Respiratory Medicine, Affiliated Hospital of Binzhou Medical University, Binzhou, China |