About the Authors

Morten Stilund

mortenleifms@gmail.com

Affiliations Department of Neurology, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark, Department of Biomedicine, Bartholin Building, Wilhelm Meyers Allé 4, Aarhus University, DK-8000 Aarhus C, Denmark

Mikkel Carstensen Gjelstrup

Affiliation Department of Biomedicine, Bartholin Building, Wilhelm Meyers Allé 4, Aarhus University, DK-8000 Aarhus C, Denmark

Thor Petersen

Affiliation Department of Neurology, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

Holger Jon Møller

Affiliation Department of Clinical Biochemistry, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

Peter Vestergaard Rasmussen

Affiliation Department of Neurology, Aarhus University Hospital, Nørrebrogade 44, DK-8000 Aarhus C, Denmark

Tove Christensen

Affiliation Department of Biomedicine, Bartholin Building, Wilhelm Meyers Allé 4, Aarhus University, DK-8000 Aarhus C, Denmark

Competing Interests

This study was funded by The Danish Multiple Sclerosis Society, grant number(s): 8990 and 14567, funder URL: http://scleroseforeningen.dk/, The Riisfort Foundation, grant no. 15399, URL: http://www.riisfort.dk/riisfort-fonden/, the Aase and Einar Danielsen’s Foundation; grant no 904587, URL: http://www.danielsensfond.dk/, The Jascha Foundation, grant no. 3099 URL: http://www.jaschafonden.dk/, and the Dagmar Marshalls Fond, grant no. N/A URL: N/A (it is a small Danish Foundation; applications via solicitor Oluf Engell; Bruun & Hjejle; Amagertorv 24; 1160 KøbenhavnK). HJM and Aarhus University have received royalties from IQ-products, NL. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MS TC TP HJM. Performed the experiments: MS TC HJM MCG. Analyzed the data: MS TC TP MCG. Contributed reagents/materials/analysis tools: MS TC HJM TP PVR. Wrote the paper: MS TC TP PVR MCG HJM.