Khazbak, Ahmed M. https://orcid.org/0000-0001-7085-2282
Shaker, Ayman Abu Elmakarem
El Shishtawy, Nihal Ibrahim
Zaki, Basim Mohamed
Mahmoud, Nada Abdel Sattar
Article History
Received: 11 September 2018
Accepted: 26 December 2018
First Online: 9 January 2019
Compliance with ethical standards
:
: Ahmed M. Khazbak and Ayman Abu Elmakarem Shaker declare that they have no conflict of interest.
: No funding was received regarding this work.
: A written informed consent for participation was obtained from all participants who had also provided informed consent for approval of publication of photographs.
: This research has been reviewed and approved by the Ethical Committee of Scientific Research MASU 1555/2011.