About the Authors

Alberto Betella

alberto@betella.net (AB); paul.verschure@upf.edu (PV)

Affiliation SPECS Lab, N-RAS, DTIC, Universitat Pompeu Fabra, Barcelona, Spain

Paul F. M. J. Verschure

alberto@betella.net (AB); paul.verschure@upf.edu (PV)

¤ Current address: Department of Information and Communications Technologies (DTIC), Universitat Pompeu Fabra, Barcelona, Spain

Affiliations SPECS Lab, N-RAS, DTIC, Universitat Pompeu Fabra, Barcelona, Spain, Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AB PV. Performed the experiments: AB. Analyzed the data: AB. Contributed reagents/materials/analysis tools: AB PV. Wrote the paper: AB PV.