Hammoud, Zaynab https://orcid.org/0000-0001-5943-3941
Kramer, Frank https://orcid.org/0000-0002-2857-7122
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (FKZ01ZX1508, FK01ZX1708D)
Article History
Received: 30 January 2020
Accepted: 30 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: Not Applicable.
: Not Applicable.
: The authors declare that they have no competing interests.