Barth, Martin
Weiß, Christel
Bouma, Gerrit J.
Bostelmann, Richard
Kursumovic, Adisa
Fandino, Javier
Thomé, Claudius
Article History
Received: 17 November 2017
Accepted: 29 December 2017
First Online: 2 February 2018
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 corresponding institutional research committees (multicenter study) 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.