Funding for this research was provided by:
Research Programs of the Shanghai Science and Technology Commission Foundation (No.14411950603)
Shanghai Municipal Commission of Health and Family Planning (No. 201740011)
Project Ai You Foundation Supporting Children with Cancer Program
Text and Data Mining valid from 2020-03-12
Received: 5 May 2019
Accepted: 3 March 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: The written consent was obtained from the patients’ parents or legal guardians in accordance with the Declaration of Helsinki and the study was approved by the Institutional Review Board of the Fudan Institutes, Shanghai, China.
: Not applicable.
: The author declare that they have no competing interests.