Jing Feng is a professor and chief at the Division of Pulmonary and Critical Care Medicine and Department of Interventional Pulmonology, Tianjin Medical University General Hospital, Tianjin, China.Wen Ning is a professor of College of Life Sciences, Nankai University, Tianjin, China. Dianhua Jiang is a professor of Department of Medicine, Cedars-Sinai Medical Center, USA. Jingyu Chen is the director of General Thoracic Surgery, Lung Transplantation Group, Wuxi People's Hospital, Nanjing Medical University, Nanjing, Jiangsu, China. Bo Wu is a professor of General Thoracic Surgery, Lung Transplantation Group, Wuxi People's Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.