Growth of hybrid open access, 2009–2016

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Introduction

Methods

Results

Discussion

Conclusions

Supplemental Information

The data on the number of journals and articles used to generate Figs. 1 and 2

DOI: 10.7717/peerj.3878/supp-1

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests.

Author Contributions

Bo-Christer Björk 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, did the whole study alone.

Data Availability

The following information was supplied regarding data availability:

The raw data has been uploaded as a Supplementary File.

Funding

The authors received no funding for this work.

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