Jacob, Friedrich Felix
Hutzler, Mathias
Methner, Frank-Jürgen
Article History
Received: 30 April 2018
Revised: 31 July 2018
Accepted: 9 August 2018
First Online: 23 August 2018
Compliance with ethical standards
:
: Friedrich Felix Jacob, Mathias Hutzler and Frank-Jürgen Methner declare that they have no conflict of interest.
: The authors Friedrich Felix Jacob, Mathias Hutzler and Frank-Jürgen Methner hereby confirm that this manuscript is performed according and follows the COPE guidelines and has not already been published nor is it under consideration for publication elsewhere. This article does not contain any studies with human or animal subjects.