About the Authors

Alejandro Romero

Affiliation Universidad de Alicante, Departamento de Biotecnología, Alicante, Spain

Fernando V. Ramírez-Rozzi

Affiliation Centre National de la Recherche Scientifique, Unité Propre de Recherche “Dynamique de l’Évolution Humaine,” Paris, France

Joaquín De Juan

Affiliation Universidad de Alicante, Departamento de Biotecnología, Alicante, Spain

Alejandro Pérez-Pérez

martinez.perez-perez@ub.edu

Affiliation Universitat de Barcelona, Departament de Biologia Animal, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AR FRR APP. Performed the experiments: AR FRR APP. Analyzed the data: AR JDJ. Contributed reagents/materials/analysis tools: AR FRR JDJ APP. Wrote the manuscript: AR APP FRR. Obtained permission for in vivo sampling: FRR. Provided funding: APP FRR JDJ.