Roos, Daniel
Hahn, RĂ¼diger http://orcid.org/0000-0002-2897-980X
Article History
Received: 20 December 2016
Accepted: 16 August 2017
First Online: 23 August 2017
Compliance with Ethical Standards
:
: Both authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.