Funding for this research was provided by:
Indonesian Ministry of Research, Technology and Higher Education (634/UN1-P.III/LT/DIT-LIT/2016)
Text and Data Mining valid from 2018-09-04
Received: 16 February 2018
Accepted: 22 August 2018
First Online: 4 September 2018
Ethics approval and consent to participate
: The Ethical Committee of Faculty of Medicine, Universitas Gadjah Mada/Dr. Sardjito Hospital gave approval for this study (KE/FK/787/EC/2015). Written informed consent was obtained from all parents of the subjects for this study.
: Not applicable.
: The authors declare that they have no competing interests.
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