About the Authors

Claudia Scherr

scherr@vfk.ch

Affiliations Research Institute of Organic Agriculture, Frick, Switzerland, Society for Cancer Research, Institute Hiscia, Arlesheim, Switzerland

Meinhard Simon

Affiliation Institute for Chemistry and Biology of the Marine Environment ICBM, University of Oldenburg, Oldenburg, Germany

Jörg Spranger

Affiliation Research Institute of Organic Agriculture, Frick, Switzerland

Stephan Baumgartner

Affiliations Institute of Complementary Medicine KIKOM, University of Bern, Bern, Switzerland, Society for Cancer Research, Institute Hiscia, Arlesheim, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS MS JS SB. Performed the experiments: CS. Analyzed the data: CS SB. Wrote the paper: CS MS JS SB.