About the Authors

Winfried Denk, Heinz Horstmann
Max Planck Institute for Medical Research, Heidelberg, Germany

Corresponding Author

denk@mpimf-heidelberg.mpg.de

Competing Interests

The authors have declared that no conflicts of interest exist.

Author Contributions

WD conceived and designed the experiments. WD and HH performed the experiments. WD analyzed the data. WD and HH contributed reagents/materials/analysis tools. WD wrote the paper.