Funding for this research was provided by:
the National Natural Science Foundation of China (No. 81301362)
High End Talent Plan of Chongqing Municipal Health and Family Planning Commission
Text and Data Mining valid from 2018-06-05
Received: 19 January 2018
Accepted: 6 May 2018
First Online: 5 June 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Children’s Hospital of Chongqing Medical University and all patients or their guardians signed the informed consent. Besides, all animals disposed in the experiment were in accordance with the ethical standards.
: Consent for publication was obtained from the participants.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.