About the Authors

Raffaella Burioni

raffaella.burioni@fis.unipr.it

Affiliation Dipartimento di Fisica e Instituto Nazionale si Fisca Nucleare (INFN), Università di Parma, Parma, Italy

Riccardo Scalco

Affiliation Department of Biochemistry, University of Zurich, Zurich, Switzerland

Mario Casartelli

Affiliation Dipartimento di Fisica e Instituto Nazionale si Fisca Nucleare (INFN), Università di Parma, Parma, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RB MC. Performed the experiments: RB RS MC. Analyzed the data: RS. Wrote the paper: RB RS MC.