About the Authors

Iwan Zimmermann

Affiliation Department of Biochemistry, University of Zürich, Zürich, Switzerland

Alessandro Marabelli

Affiliation Department of Neuroscience, Physiology and Pharmacology, University College London, London, United Kingdom

Carlo Bertozzi

Affiliation Department of Biochemistry, University of Zürich, Zürich, Switzerland

Lucia G. Sivilotti

Affiliation Department of Neuroscience, Physiology and Pharmacology, University College London, London, United Kingdom

Raimund Dutzler

dutzler@bioc.uzh.ch

Affiliation Department of Biochemistry, University of Zürich, Zürich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: RD IZ LGS. Performed the experiments: IZ CB AM. Analyzed the data: RD IZ CB LGS AM. Wrote the paper: RD IZ LGS AM CB.