About the Authors

Jeannine D. Rinderknecht

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Simone M. Goldinger

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Sima Rozati

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Jivko Kamarashev

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Katrin Kerl

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Lars E. French

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Reinhard Dummer

Contributed equally to this work with: Reinhard Dummer, Benedetta Belloni

reinhard.dummer@usz.ch

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Benedetta Belloni

Contributed equally to this work with: Reinhard Dummer, Benedetta Belloni

Affiliation Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland

Competing Interests

The medication was provided by Roche in the context of clinical trials. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RD. Performed the experiments: JDR SMG. Analyzed the data: JDR SMG SR BB. Contributed reagents/materials/analysis tools: KK JK LF RD. Wrote the paper: JDR SMG SR BB RD.