Öster, Carl https://orcid.org/0000-0002-8723-4533
Kosol, Simone https://orcid.org/0000-0001-7913-4818
Lewandowski, Józef R. https://orcid.org/0000-0001-6525-7083
Article History
Received: 15 January 2019
Accepted: 16 July 2019
First Online: 31 July 2019
Competing Interests
: The authors declare no competing interests.