Article History
Received: 10 December 2018
Accepted: 11 March 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: The authors declared no potential conflicts of interest with respect to the research, authorship,and/or publication of this article.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the parents of the child included in the study.