About the Authors

Michael Käser, Gerd Pluschke
Swiss Tropical Institute, Basel, Switzerland

Corresponding Author

m.kaeser@unibas.ch

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.