About the Authors

Esther Kristina Diekhof

esther.diekhof@uni-hamburg.de

Affiliation University of Hamburg, Biocenter Grindel and Zoological Museum, Institute for Human Biology, Neuroendocrinology Unit, Hamburg, Germany

Susanne Wittmer

Affiliation University of Hamburg, Biocenter Grindel and Zoological Museum, Institute for Human Biology, Neuroendocrinology Unit, Hamburg, Germany

Luise Reimers

Affiliation University of Hamburg, Biocenter Grindel and Zoological Museum, Institute for Human Biology, Neuroendocrinology Unit, Hamburg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EKD SW. Performed the experiments: EKD SW. Analyzed the data: EKD SW LR. Contributed reagents/materials/analysis tools: EKD LR. Wrote the paper: EKD LR. Revised manuscript critically for important intellectual content: SW.