About the Authors

Christian L. Seifert

Contributed equally to this work with: Christian L. Seifert, Holger Poppert

c.seifert@lrz.tu-muenchen.de

Affiliation Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Germany

Holger Poppert

Contributed equally to this work with: Christian L. Seifert, Holger Poppert

Affiliation Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Germany

Dirk Sander

Affiliation Department of Neurology, Benedictus Hospital, Tutzing, Germany

Regina Feurer

Affiliation Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Germany

Thorleif Etgen

Affiliations Department of Psychiatry and Psychotherapy, Technische Universität München, Germany, Department of Neurology, Kliniken Südostbayern – Klinikum Traunstein, Germany

Karl-Heinz Ander

Affiliation INVADE Study Group, Baldham, Germany

Klaus Pürner

Affiliation INVADE Study Group, Baldham, Germany

Monika Brönner

Affiliation Department of Psychiatry and Psychotherapy, Technische Universität München, Germany

Dominik Sepp

Affiliation Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Germany

Victoria Kehl

Affiliation Institute of Medical Statistics and Epidemiology, Technische Universität München, Germany

Hans Förstl

Affiliation Department of Psychiatry and Psychotherapy, Technische Universität München, Germany

Horst Bickel

Affiliation Department of Psychiatry and Psychotherapy, Technische Universität München, Germany

Competing Interests

HF received honoraria and payments for speakerś bureau from Bayer, Boehringer, Merz, Lundbeck, Lilly, Pfizer and Nutricia and is on the advisory board of these companies and Novartis. 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: D. Sander HF. Performed the experiments: KA KP MB. Analyzed the data: CLS VK D. Sepp RF. Wrote the paper: CLS HB HP. Study supervision: D. Sander HP TE HF. Definition of the research theme: CLS HP. Review and critical revision of the manuscript: CLS HP D. Sander RF TE KA KP MB D. Sepp VK HF HB.