About the Authors

Ingeborg Eikenaes

Contributed equally to this work with: Ingeborg Eikenaes, Jens Egeland, Benjamin Hummelen, Theresa Wilberg

ingeborg.eikenes@siv.no

Affiliation Department of Group Psychotherapy, Division of Mental Health and Addiction, Vestfold Hospital Trust, Tønsberg, Norway

Jens Egeland

Contributed equally to this work with: Ingeborg Eikenaes, Jens Egeland, Benjamin Hummelen, Theresa Wilberg

Affiliation Department of Research, Division of Mental Health and Addiction, Vestfold Hospital Trust, Tønsberg, Norway

Benjamin Hummelen

Contributed equally to this work with: Ingeborg Eikenaes, Jens Egeland, Benjamin Hummelen, Theresa Wilberg

Affiliation Department of Research and Development, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Theresa Wilberg

Contributed equally to this work with: Ingeborg Eikenaes, Jens Egeland, Benjamin Hummelen, Theresa Wilberg

Affiliation Department for Research and Development, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IE JE BH TW. Performed the experiments: IE JE BH TW. Analyzed the data: IE JE BH TW. Contributed reagents/materials/analysis tools: IE JE BH TW. Wrote the paper: IE JE BH TW.