1. Clinical School of Thoracic, Tianjin Medical University, Tianjin, P. R. China
2. Department of Thoracic Surgery, Fujian Provincial Hospital, Fujian, P. R. China
3. Institute of Modern Optics, Nankai University, Tianjin Key Laboratory of Micro-scale Optical, Information Science and Technology, Tianjin 300350, P. R. China
4. School of Medicine, Tianjin University, Tianjin, P. R. China
5. Department of Pathology, Tianjin Chest Hospital, No. 261, Taierzhuang South Road Jinnan District, Tianjin 300222, P. R. China
6. Department of Thoracic Surgery, Tianjin Chest Hospital, Tianjin, P. R. China