About the Authors

Lin Zhang


Affiliations Dept. Management and Economics, North China University of Water Resources and Electric Power, Zhengzhou, China, Centre for R&D Monitoring (ECOOM) and Dept. MSI, KU Leuven, Belgium

Ronald Rousseau

Affiliation Dept. Mathematics, KU Leuven & Fac. of Social Sciences, University of Antwerp, Belgium

Gunnar Sivertsen

Affiliation Nordic Institute for Studies in Innovation, Research and Education, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: LZ RR GS. Data curation: GS LZ RR. Formal analysis: LZ RR GS. Funding acquisition: LZ RR GS. Investigation: LZ RR GS. Methodology: RR LZ GS. Resources: GS. Writing – original draft: LZ RR GS. Writing – review & editing: RR GS LZ.