Article History
Received: 8 May 2018
Accepted: 13 August 2018
First Online: 17 August 2018
Compliance with ethical standards
:
: The authors declare 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.