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Additional Information

Competing Interests

Heather Piwowar and Jason Priem are founders of Impactstory, a non-profit company which makes Unpaywall, oaDOI, and other tools to improve scholarly communication.

Author Contributions

Heather Piwowar 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.

Jason Priem 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.

Vincent Larivière conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Juan Pablo Alperin conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper.

Lisa Matthias performed the experiments, analyzed the data, reviewed drafts of the paper.

Bree Norlander analyzed the data, wrote the paper, reviewed drafts of the paper.

Ashley Farley wrote the paper, reviewed drafts of the paper.

Jevin West reviewed drafts of the paper.

Stefanie Haustein 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:

http://doi.org/10.5281/zenodo.837902

Funding

The authors received no funding for this work.


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