1. Thoracic Oncology Ward, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
2. Radiotherapy Physics & Technology Center, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
3. Department of Medical Oncology, West China School of Nursing/Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, Chengdu, China.
4. Department of Medical Oncology, The Second People's Hospital of Yibin, Yibin, China.
5. Department of Medical Oncology, Jiangyou 903 Hospital, Jiangyou, China.
6. Department of Medical Oncology, Yingshan County People's Hospital, Nanchong, China.
7. Department of Medical Oncology, Yibin Chinese Medicine Hospital, Yibin, China.
8. Department of Medical Oncology, Shangjin Branch of West China Hospital, Sichuan University, Chengdu, China.