About the Authors

Michael Käser

m.kaeser@unibas.ch

Affiliation Swiss Tropical Institute, Basel, Switzerland

Gerd Pluschke

Affiliation Swiss Tropical Institute, Basel, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MK. Performed the experiments: MK. Analyzed the data: MK. Wrote the paper: MK GP. Supervised the project: GP.