Haitang Yang1, Sean R R Hall2, Feng Yao3. 1. Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, China; Department of General Thoracic Surgery, Department of BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, Shanghai, China. 2. Gillies McIndoe Research Institute, Wellington, New Zealand. 3. Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, China. Electronic address: feng.yao@shchest.org.