About the Authors

Clas Linnman

Affiliation Center for Pain and the Brain, Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America

Ciprian Catana

Affiliation Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States of America

Kurt Svärdsudd

Affiliation Department of Public Health and Caring Sciences, Family Medicine and Clinical Epidemiology, Uppsala University, Uppsala, Sweden

Lieuwe Appel

Affiliation Uppsala PET Centre, Department of Radiology, Oncology and Radiation Sciences, Uppsala University, Uppsala, Sweden

Henry Engler

Affiliations Uppsala PET Centre, Department of Radiology, Oncology and Radiation Sciences, Uppsala University, Uppsala, Sweden, Uruguayan Centre of Molecular Imaging (CUDIM), Faculty of Medicine and Faculty of Sciences, University of the Republic, Montevideo, Uruguay

Bengt Långström

Affiliations Uppsala PET Centre, Department of Radiology, Oncology and Radiation Sciences, Uppsala University, Uppsala, Sweden, Department of Biochemistry and Organic Chemistry, Uppsala University, Uppsala, Sweden, Neuropsychopharmacology Section, Faculty of Medicine, Imperial College, London, United Kingdom

Jens Sörensen

Affiliation Uppsala PET Centre, Department of Radiology, Oncology and Radiation Sciences, Uppsala University, Uppsala, Sweden

Tomas Furmark

Affiliation Department of Psychology, Uppsala University, Uppsala, Sweden

Mats Fredrikson

Affiliations Department of Psychology, Uppsala University, Uppsala, Sweden, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden

David Borsook

Affiliation Center for Pain and the Brain, Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America

Magnus Peterson

magnus.peterson@pubcare.uu.se

Affiliation Department of Public Health and Caring Sciences, Family Medicine and Clinical Epidemiology, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CL KS MP. Performed the experiments: CL KS MP LA HE BL JS MF TF. Analyzed the data: CL MP CC DB MF TF LA BL. Wrote the paper: CL MP MF TF CC DB LA.