Leopold, Nikolai http://orcid.org/0000-0002-0495-6822
Petrat, Sören http://orcid.org/0000-0002-9166-5889
Funding for this research was provided by:
H2020 European Research Council (694227)
Deutsche Forschungsgemeinschaft (318342445)
Deutscher Akademischer Austauschdienst
National Science Foundation (DMS-1128155)
Article History
Received: 24 February 2019
Accepted: 13 July 2019
First Online: 29 July 2019