1 Department of Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.
2 Department of Pulmonary Medicine, Shanghai Respiratory Research Institute, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China.
3 Department of Gastroenterology, Wenzhou People's Hospital, The Wenzhou Third Clinical Institute Affiliated To Wenzhou Medical University, Wenzhou, China.
4 Department of Pathology, Shanghai Respiratory Research Institute, Zhongshan Hospital, Fudan University, Shanghai, China.