Funding for this research was provided by:
College of Medicine and Health Sciences, United Arab Emirates University (Summer Undergraduate Research Experience (SURE) PLUS-Grant of the United Arab Emirate University, 2017 (Research grant: 31M348).)
Received: 17 March 2019
Accepted: 7 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: There are no primary data used in this review. There is no need for any ethical approval or an exemption letter according to the United Arab Emirates University-Human Research Ethics Committee.
: Not applicable
: The authors declare that they have no competing interests.