About the Authors

Jorge M. Pacheco

jmpacheco@math.uminho.pt

Affiliations Centro de Biologia Molecular e Ambiental, Universidade do Minho, Braga, Portugal, Departamento de Matemática e Aplicações, Universidade do Minho, Braga, Portugal, ATP-Group, CMAF, Instituto para a Investigação Interdisciplinar, Lisboa, Portugal

Vítor V. Vasconcelos

Affiliations ATP-Group, CMAF, Instituto para a Investigação Interdisciplinar, Lisboa, Portugal, Centro de Física da Universidade do Minho, Braga, Portugal, INESC-ID and Instituto Superior Técnico, Universidade de Lisboa, IST-Taguspark, Porto Salvo, Portugal

Francisco C. Santos

Affiliations INESC-ID and Instituto Superior Técnico, Universidade de Lisboa, IST-Taguspark, Porto Salvo, Portugal, ATP-Group, CMAF, Instituto para a Investigação Interdisciplinar, Lisboa, Portugal

Brian Skyrms

Affiliation Logic and Philosophy of Science, School of Social Sciences, University of California at Irvine, Irvine, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JMP VVV FCS BS. Performed the experiments: JMP VVV FCS BS. Analyzed the data: JMP VVV FCS BS. Contributed reagents/materials/analysis tools: JMP VVV FCS BS. Wrote the paper: JMP VVV FCS BS.