[1] Univ Chinese Acad Sci, Sch Artificial Intelligence, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Inst Automat, CAS Key Lab Mol Imaging, Beijing 100190, Peoples R China
[3] Beijing Univ Posts & Telecommun, Sch Modern Post, Sch Automat, Beijing 100876, Peoples R China
[4] Beihang Univ, Beijing Adv Innovat Ctr Big Data Based Precis Med, Sch Engn Med, Beijing 100191, Peoples R China
[5] Beihang Univ, Key Lab Big Data Based Precis Med, Minist Ind & Informat Technol, Beijing 100191, Peoples R China
[6] Jinan Univ, Zhuhai Peoples Hosp, Dept Radiol, Zhuhai Hosp, Zhuhai, Peoples R China
[7] Sun Yat Sen UniversityCancer Ctr, Col laborat Innovat Ctr Canc Med, State Key Lab Oncol South China, Guangdong Key Labo ratory Nasopharyngeal Carcinoma, Guangzhou 510060, Peoples R China
[8] Sun Yat Sen Univ, Dept Nasopharyngeal Carcinoma, Canc Ctr, Guangzhou 510060, Peoples R China
[9] Kiangwu Hosp, Macau 999078, Peoples R China
[10] Sun Yat Sen Univ, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China,Canc Ctr, Guangdong Key Lab Nasopharyngeal Carcinoma Diag &, Guangzhou 510060, Peoples R China
[11] Fujian Med Univ, Fujian Canc Hosp, Clin Oncol Sch, Dept Radiat Oncol, Fuzhou 350014, Peoples R China
[12] Chinese Acad Sci, Inst Automat, CAS Key Lab Mol Imaging, Beijing 100190, Peoples R China