Lauermann, J. L.
Woetzel, A. K.
Treder, M.
Alnawaiseh, M.
Clemens, C. R.
Eter, N.
Alten, Florian
Article History
Received: 27 December 2017
Revised: 12 June 2018
Accepted: 18 June 2018
First Online: 7 July 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: 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.
: For this type of study, formal consent is not required.