About the Authors

Jürgen Kasper

k@sper.info

Affiliations Faculty of Mathematics, Informatics, Unit of Health Sciences and Education, University of Hamburg, Hamburg, Germany, Department of Primary Medical Care, University Medical Center Hamburg, Hamburg, Germany, Unit of Health Sciences and Education, University of Hamburg, Hamburg, Germany, Institute of Neuroimmunology and Clinical MS Research (INiMS), University Medical Center Hamburg, Hamburg, Germany

Frauke Hoffmann

Affiliation Unit of Health Sciences and Education, University of Hamburg, Hamburg, Germany

Christoph Heesen

Affiliation Institute of Neuroimmunology and Clinical MS Research (INiMS), University Medical Center Hamburg, Hamburg, Germany

Sascha Köpke

Affiliations Faculty of Mathematics, Informatics, Unit of Health Sciences and Education, University of Hamburg, Hamburg, Germany, Nursing Research Group, Institute of Social Medicine, University of Lübeck, Lübeck, Germany, Institute of Neuroimmunology and Clinical MS Research (INiMS), University Medical Center Hamburg, Hamburg, Germany

Friedemann Geiger

Affiliations Tumor Center, University Medical Center Schleswig-Holstein, Kiel, Germany, Department of Pediatrics, University Medical Center Schleswig-Holstein, Kiel, Germany

Competing Interests

The authors have read the journal's policy and have the following conflicts: Dr. Heesen has received financial support from Biogen Elan, Bayer-Health Care, Serono and Teva, Dr. Kasper has received travel fees to scientific conferences from Merck Serono. Dr. Köpke, Dr. Hoffmann and Dr. Geiger have nothing to declare. 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: JK FH. Performed the experiments: JK. Analyzed the data: JK FH FG. Contributed reagents/materials/analysis tools: JK FH CH SK FG. Wrote the paper: JK FH CH SK FG.