About the Authors

Chiel T. M. van der Voort

chielvandervoort@gmail.com

Affiliation Walaeus Library, Leiden University Medical Center, Leiden, The Netherlands

Cees A. Swenne

Affiliation Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands

Catharina A. M. van der Hoorn-van Velthoven

Affiliation Walaeus Library, Leiden University Medical Center, Leiden, The Netherlands

Johannes H. J. Belt

Affiliation Walaeus Library, Leiden University Medical Center, Leiden, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAS CAMV JHJB CTMV. Performed the experiments: CTMV. Analyzed the data: CTMV. Wrote the paper: CTMV CAS CAMV JHJB.