About the Authors

Ulf Sandström

ulf.sandstrom@indek.kth.se

Affiliation KTH Royal Institute of Technology, INDEK, SE-100 44 Stockholm, Sweden

ORCID http://orcid.org/0000-0003-1292-8239

Peter van den Besselaar

Affiliation VU University Amsterdam, Network Institute & Institute for Social Resilience Amsterdam, Amsterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: US PB. Data curation: US. Formal analysis: PB. Investigation: US PB. Methodology: PB US. Resources: US. Writing – original draft: US PB.