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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Eva Sciacca conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Fabio Vitello conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Ugo Becciani conceived and designed the experiments, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Alessandro Costa conceived and designed the experiments, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Akos Hajnal conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Peter Kacsuk conceived and designed the experiments, contributed reagents/materials/analysis tools, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Sergio Molinari performed the experiments, analyzed the data, reviewed drafts of the paper.

Anna M Di Giorgio performed the experiments, analyzed the data, reviewed drafts of the paper.

Eugenio Schisano performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, performed the computation work, reviewed drafts of the paper.

Scige John Liu performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, performed the computation work, reviewed drafts of the paper.

Davide Elia performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, performed the computation work, reviewed drafts of the paper.

Stefano Cavuoti contributed reagents/materials/analysis tools, performed the computation work, reviewed drafts of the paper.

Giuseppe Riccio contributed reagents/materials/analysis tools, performed the computation work, reviewed drafts of the paper.

Massimo Brescia contributed reagents/materials/analysis tools, performed the computation work, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

http://vialactea-sg.oact.inaf.it:8080/

Funding

The research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 607380 (VIALACTEA). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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