About the Authors

Rafael Ángel Barrio

barrio@fisica.unam.mx (RAB); eabuylla@gmail.com (EAB)

Affiliation Departamento de Física Qumica, Instituto de Física, Universidad Nacional Autónoma de México, México D.F., Mexico

Aurora Hernández-Machado

Affiliation Department of Structure and Constituents of Matter, Facultat de Física, Universitat de Barcelona, Barcelona, Spain

C. Varea

Affiliation Departamento de Física Qumica, Instituto de Física, Universidad Nacional Autónoma de México, México D.F., Mexico

José Roberto Romero-Arias

Affiliation Departamento de Física Qumica, Instituto de Física, Universidad Nacional Autónoma de México, México D.F., Mexico

Elena Álvarez-Buylla

barrio@fisica.unam.mx (RAB); eabuylla@gmail.com (EAB)

Affiliation Instituto de Ecología, Universidad Nacional Autónoma de México, México D.F., Mexico

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RAB AHM ERAB. Performed the experiments: ERAB. Analyzed the data: RAB CV JRRA. Contributed reagents/materials/analysis tools: RAB. Wrote the paper: RAB AHM CV JRRA ERAB. Postulated the models: RAB AHM ERAB. Designed and wrote numerical codes: CV. Made numerical simulations and extended the original model: JRRA. Provided experimental data: ERAB.