1. Department of Thoracic Surgery The Affiliated Hospital of Qingdao University Qingdao China
2. Department of Radiology The Affiliated Hospital of Qingdao University Qingdao China
3. Department of Infectious diseases The Affiliated Hospital of Qingdao University Qingdao China
4. Department of Pharmacology School of Pharmacy, Qingdao University Qingdao China