Diener, Raphael
Eter, Nicole
Alnawaiseh, Maged
Article History
Received: 20 September 2019
Revised: 8 November 2019
Accepted: 10 December 2019
First Online: 31 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The following authors have no financial disclosures: Maged Alnawaiseh, Raphael Diener, Nicole Eter.
: This retrospective study was approved by the local Institutional Review Board (Ethics Committee of the WWU Muenster, Germany).