Department of Epidemiology and Health Statistics,School of Public Health,Beijing Municipal Key Laboratory of Clinical Epidemiology,Capital Medical University,Beijing 100069,China

National Central 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

National Center for Chronic and Non-Communicable Disease Control and Prevention,Chinese Center for Disease Control and Prevention,Beijing 100009,China

Center for Health Statistics and Information of National Health Commission,Beijing 100044,China

Human Resources Office,National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College,Beijing 100021,China