Lauermann, J. L.
Treder, M.
Alnawaiseh, M.
Clemens, C. R.
Eter, N.
Alten, F.
Article History
Received: 12 September 2018
Revised: 6 March 2019
Accepted: 22 April 2019
First Online: 22 May 2019
Compliance with ethical standards
:
: Author Lauermann declares that he has no conflict of interest. Author Treder declares that he has no conflict of interest. Author Alnawaiseh declares that he has no conflict of interest. Author Clemens declares that he has no conflict of interest. Author Eter declares that she has no conflict of interest. Author Alten declares that he has no conflict of interest.
: All procedures performed in studies involving human participants 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 individual participants included in the study.