1. Department of Thoracic Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
2. Lung Cancer Diagnosis and Treatment Center, Dalian, Liaoning 116011, China
3. Department of Thoracic Surgery, Xingtai People’s Hospital, Xingtai, Hebei 054031, China
4. China National Research Institute of Food & Fermentation Industries, Beijing 100015, China