1. Thoracic Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
2. Thoracic Surgery Department, Handan Central Hospital, Handan, China
3. Thoracic Surgery Department, Xingtai People’s Hospital, Xingtai, China
4. General Surgery Department, Xi’an Aerospace General Hospital, Xi’an, China
5. Anesthesiology Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
6. Dermatology Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China