Abdel-Rahman, Omar http://orcid.org/0000-0002-5117-2502
Article History
Received: 14 December 2017
Accepted: 15 February 2018
First Online: 17 February 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This article does not contain any studies with human participants or animals performed by the author. The current study is fully compliant with all applicable ethical and legal standards. It complies fully with the Declaration of Helsinki.
: As this study is based on a publicly available data set without identifying patient information, informed consent was not needed.