Marouf, Rachid http://orcid.org/0000-0002-8656-7731
Alloubi, Ihsan
Article History
Received: 8 December 2018
Revised: 23 January 2019
Accepted: 25 January 2019
First Online: 27 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The above paper has been done with full permission of the ethics committee.
: This is an image series with no identifying information in the images.