Article History
Received: 8 December 2018
Accepted: 15 April 2019
First Online: 19 April 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: Ethical approval was obtained from the research ethics committees at the hospital and the University of Jordan and in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.