Lückehe, Daniel http://orcid.org/0000-0001-9550-9421
von Voigt, Gabriele
Article History
Received: 11 January 2018
Accepted: 17 May 2018
First Online: 29 May 2018
Compliance with ethical standards
:
: D. Lückehe and G. von Voigt declare that they have no conflict of interest with other people or organizations that would inappropriately influence this work.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: This article does not contain patient data.