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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

María F Azpiroz conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Magela D Laviña conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

The research in this article did not generate, collect or analyse any raw data or code.

Funding

We are indebted to María Parente for excellent technical assistance. This work was supported by the Agencia Nacional de Investigación e Innovación FCE_2_2011_1_6019 and by Programa de Desarrollo de las Ciencias Básicas, Uruguay. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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