Funding for this research was provided by:
Jining Science and Technology Bureau (2017SMN007)
Text and Data Mining valid from 2019-05-24
Received: 3 January 2019
Accepted: 29 April 2019
First Online: 24 May 2019
Ethics approval and consent to participate
: The study was approved by the Human Ethics Committee of the Affiliated Hospital of Jining Medical University (History: 01-07-2015, approval number: 019). All of the families of the patients were informed of the aims of the study, and written informed consent forms were signed by all of the participants’ parents.
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