About the Authors

Kesavan Meganathan

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

Smita Jagtap

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

Vilas Wagh

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

Johannes Winkler

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

John Antonydas Gaspar

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

Diana Hildebrand

Affiliation Institute of Clinical Chemistry, University Medical Center, Hamburg-Eppendorf, Hamburg, Germany

Maria Trusch

Affiliation Institut of Organic Chemistry, Mass Spectrometry Group, Universität Hamburg, Hamburg, Germany

Karola Lehmann

Affiliation Proteome Factory AG, Berlin, Germany

Jürgen Hescheler

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

Hartmut Schlüter

Affiliation Institute of Clinical Chemistry, University Medical Center, Hamburg-Eppendorf, Hamburg, Germany

Agapios Sachinidis

a.sachinidis@uni-koeln.de

Affiliation Center of Physiology and Pathophysiology, Institute of Neurophysiology, Cologne, Germany

Competing Interests

The authors have read the journal's policy and have the following conflicts: Karola Lehmann is employed by Proteome Factory AG. There are no other declarations relating to employment, consultancy, patents, products in development or marketed products. 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: AS KM SJ VW JH HS. Performed the experiments: KM SJ VW JH HS DH MT KL. Analyzed the data: AS KM SJ JW JAG. Contributed reagents/materials/analysis tools: AS KM SJ JW JAG. Wrote the paper: AS KM.