1. Department of Thoracic Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
2. Departments of Cardio‑Thoracic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
3. Department of Respiratory, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China