Clermont, Marcel http://orcid.org/0000-0003-0383-4935
Schaefer, Julia
Article History
Received: 16 February 2018
Revised: 18 June 2019
Accepted: 22 June 2019
First Online: 12 July 2019
Compliance with ethical guidelines
:
: The 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.
: Not applicable, since there are no individual participants included in the study.