1. Department of Thoracic Oncology Cancer Centre Sichuan University West China Hospital Chengdu Sichuan P.R. China
2. Department of Thoracic Oncology Zunyi Medical University NO.2 Affiliated Hospital Zunyi, Guizhou P.R. China
3. Department of Oncology Guizhou Provincial People’s Hospital Guiyang, Guizhou P.R. China