Haller, Otto http://orcid.org/0000-0003-1202-0909
Kochs, Georg
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Ko 1579/8-2, Ko 1579/9-2)
Article History
Received: 20 August 2019
Accepted: 19 November 2019
First Online: 26 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
Free to read: This content has been made available to all.