Department of Thoracic Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100021 China;
Department of Science and Technology Management Chinese Academy of Medical Sciences&Peking Union Medical College Beijing 100730 China;
University of Melbourne School of Public Health Melbourne VIC3010 Australia;
Department of Thoracic Surgery Zhongshan Hospital of Fudan University Shanghai 200433 China;