Funding for this research was provided by:
National Natural Science Foundation of China (81402382)
Text and Data Mining valid from 2018-04-06
Received: 6 September 2017
Accepted: 26 March 2018
First Online: 6 April 2018
Ethics approval and consent to participate
: This study was approved by the institutional review board, Peking University People’s Hospital, Peking University Shougang Hospital and Peking University International Hospital Ethics Committee for Clinical Investigation. All those patients had signed informed consent forms for data collection and use for research purpose, of which children patients’ informed forms had be signed by their legal parents. The ethical approval reference number was IRBK-2017-019-01.
: All those patients had signed informed consent forms for data collection and publication, of which children patients’ informed forms had been signed by their legal parents.
: The authors declare that they have no competing interests in this article.
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