1 Editorial Department of Chinese Journal of Cancer Research, Peking University Cancer Hospital & Institute, Beijing, China; Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Beijing, China. Electronic address: dainii1@outlook.com.
2 Editorial Department of Chinese Journal of Cancer Research, Peking University Cancer Hospital & Institute, Beijing, China; Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Beijing, China.