Funding for this research was provided by:
Clinical Research Department, Primary Health Care Corporation, Doha, Qatar (PHCC/RS/17/08/009)
Text and Data Mining valid from 2019-08-20
Received: 4 February 2019
Accepted: 9 August 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: This study has approved by the Primary Health Care Corporation Research Committee under exempt category.
: Not applicable
: The authors declare that they have no competing interests.