1 Department of Epidemiology and Biostatistics, School of Public Health, Peking University, 38 Xueyuan Road, Haidian District, Beijing, 100191, China.
2 Primary Care Unit, School of Clinical Medicine, University of Cambridge, Cambridgeshire, CB1 8RN, UK.
3 Department of Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
4 Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
5 Department of Medical Oncology, Sun Yat-Sen University Cancer Center/State Key Laboratory of Oncology in South China/Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China.
6 Phase I Clinical Trial Department of Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China.
7 Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, 02215, USA.
8 Department of Epidemiology and Biostatistics, School of Public Health, Peking University, 38 Xueyuan Road, Haidian District, Beijing, 100191, China. [email protected].
The authors unintentionally included in the meta-analysis both the initial abstract and the final paper of the study by Puertolas et al. [45, 48]. In order to remove this duplication, the following corrections are required.