Department of Respiratory Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, China;
Department of Medical Microbiology and Immunobiology, Faculty of Medicine, University of Szeged, D6m tér 10, H-6720 Szeged,Hungary;
Graduate School of Dalian Medical University, Dalian, Liaoning 116044, China;
Department of Respiratory Medicine, Fifth Hospital of Dalian, Dalian, Liaoning 116021, China;
Department of Respiratory Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, China;
Department of Respiratory Medicine, Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116027, China;
Department of Respiratory Medicine, Dalian No. 4 People's Hospital, Dalian, Liaoning 116031, China;
Department of Respiratory Medicine, Second Hospital of Shijiazhuang, Shijiazhuang, Hebei 050051, China;
Department of Pediatrics, Wuhan General Hospital of Guangzhou Military Region, Wuhan, Hubei 430070, China;
Department of Histology and Embryology, Dalian Medical University, Dalian, Liaoning 116044, China;