About the Authors
DKFZ, Heidelberg, Germany
International Agency for Research on Cancer, World Health Organization, Lyon, France
Department of Pathology, University Hospital of Heidelberg, Heidelberg, Germany
Department of Botany and Microbiology (honorary member), King Saud University, Riyadh, Saudi Arabia
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LG MT. Performed the experiments: DV KMD UK BA AKS. Analyzed the data: HJG CF. Contributed reagents/materials/analysis tools: UK TG. Wrote the paper: MT.