About the Authors

Vincent A. Traag

v.a.traag@cwts.leidenuniv.nl

Affiliations Royal Netherlands Institute of Southeast Asian and Caribbean Studies, Leiden, Netherlands, e-Humanities Group, Royal Netherlands Academy of Arts and Sciences, Amsterdam, Netherlands, CWTS, Leiden University, Leiden, Netherlands

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VAT. Performed the experiments: VAT. Analyzed the data: VAT. Contributed reagents/materials/analysis tools: VAT. Wrote the paper: VAT.