Rölker-Denker, Lars http://orcid.org/0000-0003-1785-104X
Hein, Andreas
Funding for this research was provided by:
Metropolregion Bremen-Oldenburg (23-03-13)
Article History
Received: 5 September 2017
Accepted: 6 April 2018
First Online: 12 April 2018
Compliance with ethical standards
:
: 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.
: Informed consent was obtained from all individual participants included in the study.