About the Authors

Audun Brunes

Contributed equally to this work with: Audun Brunes, Marianne B. Hansen

Roles Data curation, Formal analysis, Funding acquisition, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

audun.brunes@nkvts.no

Affiliation Section for Trauma, Catastrophes and Forced Migration—Adults and Elderly, Norwegian Centre for Violence and Traumatic Stress Studies, Oslo, Norway

Marianne B. Hansen

Contributed equally to this work with: Audun Brunes, Marianne B. Hansen

Roles Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

Affiliation Division of Mental Health and Addiction, Norwegian National Unit for Hearing Impairment and Mental Health, Oslo University Hospital, Oslo, Norway

Trond Heir

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliations Section for Trauma, Catastrophes and Forced Migration—Adults and Elderly, Norwegian Centre for Violence and Traumatic Stress Studies, Oslo, Norway, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: Research grants from the European Commission and research grants from the Norwegian Association of the Blind and Partially Sighted. This does not alter our adherence to PLOS ONE policies on sharing data and materials.