About the Authors

P. Matthijs Bal


Affiliation Department of Management & Organization, VU University Amsterdam, Amsterdam, The Netherlands

Martijn Veltkamp

Affiliation FrieslandCampina, Deventer, The Netherlands

Competing Interests

Martijn Veltkamp is employed by FrieslandCampina. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

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