About the Authors

Fredrik Lindstedt

fredrik.lindstedt@ki.se

Affiliation Department of Clinical Neuroscience, Osher Center for Integrative Medicine, Stockholm Brain Institute, Karolinska Institutet, Stockholm, Sweden

Bo Johansson

Affiliation Somedic AB, Hörby, Sweden

Sofia Martinsen

Affiliation Department of Clinical Neuroscience, Osher Center for Integrative Medicine, Stockholm Brain Institute, Karolinska Institutet, Stockholm, Sweden

Eva Kosek

Affiliation Department of Clinical Neuroscience, Osher Center for Integrative Medicine, Stockholm Brain Institute, Karolinska Institutet, Stockholm, Sweden

Peter Fransson

Affiliation Department of Clinical Neuroscience, Osher Center for Integrative Medicine, Stockholm Brain Institute, Karolinska Institutet, Stockholm, Sweden

Martin Ingvar

Affiliation Department of Clinical Neuroscience, Osher Center for Integrative Medicine, Stockholm Brain Institute, Karolinska Institutet, Stockholm, Sweden

Competing Interests

BJ is the owner and CEO of the medical-technology company Somedic AB (www.somedic.com) that, in collaboration with FL and MI, stood for the technical realization of the fMRI-compatible TGI-unit. The company holds the privileges of exploring the intellectual property rights for the TGI-unit. Apart from BJ, no other authors hold any interests in Somedic AB. The authors hereby declare that there are no other conflicts of interest. 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: FL MI. Performed the experiments: FL SM. Analyzed the data: FL SM. Contributed reagents/materials/analysis tools: MI. Wrote the paper: FL. Study coordination: FL. Develoment of the TGI: BJ FL MI. fMRI-application: PF MI FL. Contributed to the revision of the manuscript: FL BJ SM EK PF MI.