Dikkers, Frederik G. http://orcid.org/0000-0001-5265-3722
Bernal-Sprekelsen, Manuel
Klussmann, J. Peter
Sittel, Christian
Szyfter, Witold
Article History
Received: 23 December 2018
Accepted: 31 December 2018
First Online: 17 January 2019
Compliance with ethical standards
:
: All authors declare that they have no conflicts 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.