Text and Data Mining valid from 2019-09-22
Received: 13 June 2019
Accepted: 21 August 2019
First Online: 22 September 2019
Ethics approval and consent to participate
: The participants provided their written informed consent to be included in the study. The study protocol was approved by the Ethics Committee at the Iraqi Ministry of Health on (No. 16265 on May 25, 2017).
: Not applicable.
: The authors declare that they have no competing interests.