1. Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, P.R. China
2. Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, P.R. China
3. AMITA Health Saint Joseph Hospital Chicago, Chicago, IL 60657, USA
4. Department of Radiotherapy and Oncology, Victoria Hospital, Candos, Quatre Bornes 72259, Mauritius
5. The University of Arizona College of Medicine at South Campus, Tucson, AZ 85713, USA