Abdel-Rahman, O. http://orcid.org/0000-0002-5117-2502
Article History
Received: 10 September 2018
Accepted: 10 November 2018
First Online: 21 November 2018
Compliance with ethical standards
:
: There is no conflicts of interest.
: All procedures performed were 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.
: Informed consent was obtained from all participants included in the two studies.