1. Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, 050057, People’s Republic of China
2. Graduate School, Hebei North University, Zhangjiakou, 075000, People’s Republic of China
3. Graduate School, Hebei Medical University, Shijiazhuang, 050011, People’s Republic of China
4. Department of Thoracic Surgery, Children’s Hospital of Hebei Province, Shijiazhuang, 050000, People’s Republic of China