Funding for this research was provided by:
National Natural Science Foundation of China (81401296)
Natural Science Foundation of China (81570016)
Science and Technology Projects of Chinese Traditional Medicine Bureau of Jiangsu Province (YB2015176)
Suzhou Science and Technology Development Plan Project (SS201869)
The project of medical young talents (GSWS2019047)
Received: 30 August 2018
Accepted: 29 April 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Human Ethical Committee of Children’s Hospital of Soochow University. A written consent was obtained from all the guardians who participated in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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