Elhady, Ahmed
Heuer, Holger
Hallmann, Johannes
Funding for this research was provided by:
German Egyptian Research Long-term Scholarship GERLS (57076387)
Article History
Received: 18 June 2018
Accepted: 8 September 2018
First Online: 21 September 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The manuscript has not been submitted to any other journal and has not published previously (partly or in full). A single study was not split up into several parts to increase the quantity of submissions and submitted to various journals or to one journal over time. No data have been fabricated or manipulated (including images) to support our conclusions. No data, text or theories by others are presented.