About the Authors

Jan Kassubek

jan.kassubek@uni-ulm.de

Affiliation Department of Neurology, University of Ulm, Ulm, Germany

Anne-Dorte Sperfeld

Current address: Neurologische Klinik, Ibbenbüren, Germany

Affiliation Department of Neurology, University of Ulm, Ulm, Germany

Elmar H. Pinkhardt

Affiliation Department of Neurology, University of Ulm, Ulm, Germany

Alexander Unrath

Current address: Neurologische Klinik, Friedrichshafen, Germany

Affiliation Department of Neurology, University of Ulm, Ulm, Germany

Hans-Peter Müller

Affiliation Department of Neurology, University of Ulm, Ulm, Germany

Karin Scharffetter-Kochanek

Affiliation Department of Dermatology, University of Ulm, Ulm, Germany

Albert C. Ludolph

Affiliation Department of Neurology, University of Ulm, Ulm, Germany

Mark Berneburg

Affiliation Department of Dermatology, Eberhard Karls University Tübingen, Tübingen, Germany

Competing Interests

The authors have declared that no competing interests exist. There are no competing interests by any profit making clinics. All authors declare their adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JK ADS MB. Performed the experiments: JK ADS MB. Analyzed the data: JK EHP AU HPM. Contributed reagents/materials/analysis tools: HPM KSK ACL MB. Wrote the paper: JK ADS EHP AU HPM KSK ACL MB.