About the Authors

Tiina Näsi

Contributed equally to this work with: Tiina Näsi, Jaakko Virtanen

Affiliations Department of Biomedical Engineering and Computational Science (BECS), Aalto University, Aalto, Espoo, Finland, BioMag Laboratory, HUSLAB, Helsinki University Central Hospital, Helsinki, Finland

Jaakko Virtanen

Contributed equally to this work with: Tiina Näsi, Jaakko Virtanen

jaakko.virtanen@aalto.fi

Affiliations Department of Biomedical Engineering and Computational Science (BECS), Aalto University, Aalto, Espoo, Finland, BioMag Laboratory, HUSLAB, Helsinki University Central Hospital, Helsinki, Finland

Tommi Noponen

Affiliation Department of Nuclear Medicine and Turku PET Centre, Turku University Hospital, Turku, Finland

Jussi Toppila

Affiliation Department of Clinical Neurophysiology, Helsinki University Central Hospital, Helsinki, Finland

Tapani Salmi

Affiliation Department of Clinical Neurophysiology, Helsinki University Central Hospital, Helsinki, Finland

Risto J. Ilmoniemi

Affiliations Department of Biomedical Engineering and Computational Science (BECS), Aalto University, Aalto, Espoo, Finland, BioMag Laboratory, HUSLAB, Helsinki University Central Hospital, Helsinki, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JV T. Noponen JT TS. Performed the experiments: JV. Analyzed the data: JV T. Näsi JT. Wrote the paper: JV T. Näsi T. Noponen JT TS RJI. Interpretation of data: JV T. Näsi T. Noponen JT TS RJI.