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Additional Information

Competing Interests

The authors declare that they have no competing interests. Andrea Ravignani is a Marie Curie guest scientist, not an employee, of Sealcentre Pieterburen.

Author Contributions

Andrea Ravignani prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Simone Dalla Bella authored or reviewed drafts of the paper, approved the final draft.

Simone Falk authored or reviewed drafts of the paper, approved the final draft.

Chris Kello prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Florencia Noriega prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Sonja Kotz prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Data Deposition

The following information was supplied regarding data availability:

The manuscript is a review and is not based on collection of novel empirical data.

Funding

A.R. has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 665501 with the Research Foundation Flanders (FWO), Pegasus2 Marie Curie fellowship 12N5517N. S.A.K (Co-PI) was supported by a grant from the Portuguese Science Foundation (PTDC/MHC-PCN/0101/2014). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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