Kamran, Saadat http://orcid.org/0000-0002-0260-2086
Salam, Abdul
Akhtar, Naveed
D’soza, Atlantic
Shuaib, Ashfaq
Article History
Received: 16 November 2017
Revised: 12 February 2018
Accepted: 23 March 2018
First Online: 12 April 2018
Compliance with ethical standards
: The study adhered to the tenets of the declaration of Helsinki and was approved by the Institutional Review Board of Hamad Medical Corporation, Qatar (15246/15).
: The authors declare that they have no conflict of interest.