Barthels, Friederike http://orcid.org/0000-0003-2801-2209
Meyer, Frank
Huber, Thomas
Pietrowsky, Reinhard
Article History
Received: 29 June 2016
Accepted: 1 October 2016
First Online: 24 October 2016
Compliance with ethical standards
:
: 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.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.