Funding for this research was provided by:
National Key Clinical Specialty Discipline Construction Program of China (2011-873)
Text and Data Mining valid from 2019-05-17
Received: 10 September 2018
Accepted: 15 April 2019
First Online: 17 May 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Children’s Hospital of Chongqing Medical University (File No: 201813). All methods were performed in accordance with the relevant guidelines and regulations. All study participants provided written consent for future research.
: Not applicable.
: The authors declare no financial and non-financial competing interests.
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