About the Authors

Lutz Bornmann

bornmann@gv.mpg.de

Affiliation Office of Research Analysis and Foresight, Max Planck Society, Munich, Germany

Félix de Moya Anegón

Affiliation CSIC/CCHS/IPP, SCImago Group (Spain), Communication and Information Science Faculty, University of Granada, Granada, Spain

Loet Leydesdorff

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 FdMA LL. Analyzed the data: LB. Contributed reagents/materials/analysis tools: FdMA. Wrote the paper: LB LL.