Lenting, Christoph http://orcid.org/0000-0001-8374-5857
Plümper, Oliver
Kilburn, Matt
Guagliardo, Paul
Klinkenberg, Martina http://orcid.org/0000-0001-5470-1521
Geisler, Thorsten
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (02NUK019F, 02NUK019F)
Article History
Received: 17 May 2018
Revised: 9 August 2018
Accepted: 17 August 2018
First Online: 6 September 2018
Competing interests
: The authors declare no competing interests.