Text and Data Mining valid from 2019-05-27
Received: 10 November 2018
Accepted: 22 May 2019
First Online: 27 May 2019
Compliance with ethical standards
: The author declares that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was waived by approval of the Ministry of Health and Prevention Research Ethics Committee (MOHAP/DXB/REC-23/2018).