About the Authors

Rui Carvalho

r.carvalho@qmul.ac.uk

Affiliation School of Mathematical Sciences, Queen Mary University of London, London, United Kingdom

Lubos Buzna

Affiliation University of Zilina, Univerzitna 8215/1, Zilina, Slovakia

Flavio Bono

Affiliation European Laboratory for Structural Assessment, Institute for the Protection and Security of the Citizen (IPSC), Joint Research Centre, Ispra(VA), Italy

Marcelo Masera

Affiliation Energy Security Unit, Institute for Energy and Transport, Joint Research Centre, Petten, The Netherlands

David K. Arrowsmith

Affiliation School of Mathematical Sciences, Queen Mary University of London, London, United Kingdom

Dirk Helbing

Affiliations ETH Zurich, Zurich, Switzerland, Risk Center, ETH Zurich, Swiss Federal Institute of Technology, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RC LB FB MM DKA DH. Performed the experiments: RC LB. Analyzed the data: RC LB. Contributed reagents/materials/analysis tools: FB MM. Wrote the paper: RC LB DKA DH.