About the Authors

Klas Gustafsson

klas.gustafsson@ki.se

Affiliation Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

Gunnar Aronsson

Affiliation Department of Psychology, Stockholm University, Stockholm, Sweden

Staffan Marklund

Affiliation Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

Anders Wikman

Affiliation Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

Birgitta Floderus

Affiliation Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KG BF. Performed the experiments: KG. Analyzed the data: KG. Contributed reagents/materials/analysis tools: KG. Wrote the manuscript: KG. Contributed to analysis and interpretation of data: GA SM AW BF. Revised the article critically for important intellectual content: GA SM AW BF.