1 Department of Clinical Laboratory, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, Shandong, China.
2 Department of Anesthesiology, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, Shandong, China.
3 Department of Dermatology, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, Shandong, China.
4 Department of Thoracic Surgery, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, Shandong, China.
5 Department of Respiratory Diseases, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, Shandong, China.
6 Department of Respiratory and Critical Care Medicine, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, Shandong, China. zhengxin_qd@163.com.