About the Authors

Camille Roth

Affiliations Centre d'Analyse et de Mathématique Sociales (CAMS), CNRS/EHESS, Paris, France, Institut des Systèmes Complexes de Paris-Ile de France (ISC-PIF), Paris, France

Soong Moon Kang

Affiliation Department of Management Science and Innovation, University College London (UCL), London, United Kingdom

Michael Batty

Affiliation Centre for Advanced Spatial Analysis (CASA), University College London (UCL), London, United Kingdom

Marc Barthélemy

marc.barthelemy@cea.fr

Affiliations Centre d'Analyse et de Mathématique Sociales (CAMS), CNRS/EHESS, Paris, France, Institut de Physique Théorique, CEA, IPhT CNRS, URA 2306, Gif-sur-Yvette, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: CR SMK M. Batty M. Barthélemy. Wrote the paper: CR SMK M. Batty M. Barthélemy.