Aref, Rasha http://orcid.org/0000-0001-6971-8609
Schüller, Hans-Joachim
Funding for this research was provided by:
Deutscher Akademischer Austausch Dienst Kairo
Deutsche Forschungsgemeinschaft
Universität Greifswald
Article History
Received: 10 August 2020
Revised: 10 September 2020
Accepted: 15 September 2020
First Online: 26 September 2020
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.