About the Authors

Sergio Córdoba

Affiliation Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa, Universidad Autónoma de Madrid (UAM), Madrid, Spain

Carlos Estella

cestella@cbm.csic.es

Affiliation Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa, Universidad Autónoma de Madrid (UAM), Madrid, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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