Received: 20 February 2020
Accepted: 17 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board (IRB) of the College of Medicine, Al-Nahrain University (decision number: mmm/155: date: 11/12/2018). A written informed consent was obtained from all the participants.
: Not applicable
: The authors declare that they have no competing interest.