1. Department of Medical Oncology, Cancer Center and State Key Laboratory of Biotherapy, Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041
2. Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041
3. Department of Thoracic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu 610041, China