1Department of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People’s Republic of China
2Department of Cardiothoracic Surgery, Huangpu Branch of the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People’s Republic of China
3Clinical Trials Unit, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People’s Republic of China
4Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, People’s Republic of China