Text and Data Mining valid from 2019-11-06
Received: 29 September 2018
Accepted: 9 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki and was approved by the Bülent Ecevit University Clinical Research Ethics Committee. Informed written consent was obtained from all participants’ parents.
: Not applicable.
: The authors declare that they have no competing interest.