[1
]
Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, State Key
Laboratory of Oncology in South China, Collaborative Innovation Centre of Cancer Medicine,
Guangzhou, People's Republic of China.
[2
]
Department of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen,
People's Republic of China.
[3
]
Department of Medical Oncology, Antwerp University Hospital, Edegem, Belgium.
[4
]
Department of Radiation Oncology, National Cancer Centre Singapore, Singapore.
[5
]
Department of Radiation Oncology, University of Toronto; Ontario Cancer Institute,
University Health Network, Toronto, Ontario, Canada.
[6
]
Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan.
[7
]
Department of Radiation Oncology, Taichung Veterans General Hospital, Taichung, Taiwan.
[8
]
Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Centre, State
Key Laboratory of Oncology in South China, Collaborative Innovation Centre of Cancer
Medicine, Guangzhou, People's Republic of China.
[9
]
Department of Medical Oncology, Sun Yat-sen University Cancer Centre, State Key Laboratory
of Oncology in South China, Collaborative Innovation Centre of Cancer Medicine, Guangzhou,
People's Republic of China.
[10
]
Clinical Trials Centre, Sun Yat-sen University Cancer Centre, State Key Laboratory
of Oncology in South China, Collaborative Innovation Centre of Cancer Medicine, Guangzhou,
People's Republic of China.
[11
]
Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen
University, Guangzhou, People's Republic of China.
[12
]
Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, State Key
Laboratory of Oncology in South China, Collaborative Innovation Centre of Cancer Medicine,
Guangzhou, People's Republic of China. Electronic address: majun2@mail.sysu.edu.cn.