Othman, Mohammed
Aghamohammadi, Nasrin
Nik Farid, Nik Daliana
Article History
Received: 4 April 2019
Accepted: 4 October 2019
First Online: 28 October 2019
Ethics approval and consent to participate
: The study was approved by: UnorderedList removedInformed written consent was obtained from the participants and their parents or guardians after they were informed about the aim and objectives of the study; furthermore, they were informed that participation is optional and voluntary.
: Not applicable.
: The authors declare that they have no competing interests.