Received: 22 May 2019
Accepted: 26 August 2019
First Online: 12 September 2019
Ethics approval and consent to participate
: A written consent was taken from all participants after explaining the details, benefits, and risks to them. The study was approved by the Ethics Committee of Security Forces Hospital Program - Makkah (No. 0124-210817) on 24 August 2017.
: Not applicable.
: The authors declare that they have no competing interests.