1. Department of Oncology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
2. Department of Medical Oncology, Sichuan Cancer Hospital & institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610041, China.
3. Department of Radiation Oncology, Chengdu Women's & Children's Central Hospital, School of Medicine, University of Electronic Science & Technology of China, Chengdu, 610031, China
4. Department of Sociology, Indiana University, Bloomington, IN 47405, USA
5. Department of Oncology, Jiulongpo People’s Hospital of Chongqing, Chongqing, 400050, China