Mohammad, Shaimaa Abdelsattar
Abdelaziz, Tougan Taha
Gadelhak, Mohamed I.
Afifi, Hanan H.
Abdel-Salam, Ghada M. H.
Article History
Received: 18 April 2018
Accepted: 5 July 2018
First Online: 3 August 2018
Compliance with ethical standards
:
: No funding was received for this study.
: The authors declare that they have no conflict of interest.
: This study was performed in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: For this type of retrospective study formal consent is not required.