Funding for this research was provided by:
King Abdullah International Medical Research Center (RC/15/007)
Text and Data Mining valid from 2019-09-06
Received: 4 August 2018
Accepted: 27 August 2019
First Online: 6 September 2019
Ethics approval and consent to participate
: Written informed consent was obtained from the parents of the children and ethical approval was obtained from of the King Abdullah International Medical Research Center (RC15–007). Ethical approval included the access to the blinded hospital records of the children. Verbal assent was obtained from all children before their participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.