About the Authors
- Lutz Bornmann
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* E-mail: bornmann@gv.mpg.de
Affiliation Division for Science and Innovation Studies, Administrative Headquarters of the Max Planck Society, Munich, Germany
- Loet Leydesdorff
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Affiliation Amsterdam School of Communication Research (ASCoR), University of Amsterdam, Amsterdam, The Netherlands
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: LB. Performed the experiments: LB. Analyzed the data: LB. Contributed reagents/materials/analysis tools: LB. Wrote the paper: LL.