Hellmann, Frank https://orcid.org/0000-0001-5635-4949
Schultz, Paul https://orcid.org/0000-0002-1785-6476
Jaros, Patrycja https://orcid.org/0000-0003-3298-5046
Levchenko, Roman
Kapitaniak, Tomasz https://orcid.org/0000-0001-9651-752X
Kurths, Jürgen
Maistrenko, Yuri
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (03SF0472A, 03EK3055A)
Volkswagen Foundation (88462)
Deutsche Forschungsgemeinschaft (KU 837/39-1 / RA 516/13-1)
Article History
Received: 27 November 2018
Accepted: 8 January 2020
First Online: 30 January 2020
Competing interests
: The authors declare no competing interests.