1. Department of Respiratory Medicine Affiliated Renhe Hospital of China Three Gorges University Yichang Hubei China
2. Department of Respiratory Medicine The First Affiliated Hospital of Soochow University Suzhou Jiangsu China
3. Department of Thoracic Surgery Huai’an First People’s Hospital, Nanjing Medical University Huai’an China
4. Department of Thoracic Surgery Huai’an Second People’s Hospital and The Affiliated Huai’an Hospital of Xuzhou Medical University Huai’an China