Article History
Received: 6 November 2020
Accepted: 8 January 2021
First Online: 11 February 2021
Ethics approval and consent to participate
: This research has been reviewed and accepted by the Directors and the Research Ethical Committee of Armed Forces Hospitals (<i>Reg. No. H-02-T-078, Ref. REC.T. 2020-461</i>). We prepared the study according to the principles expressed in the Helsinki Declaration. All parents signed/fingerprinted an informed written consent included the aim and the benefits of the study.
: Not applicable.
: The authors declare that they have no competing interests.