Correction: Associations between work environment and psychological distress after a workplace terror attack: the importance of role expectations, predictability and leader support.

The following funder is missing from the Funding section: The Norwegian Council for Mental Health. The complete, correct funding information is as follows: This project has been financially supported by The Norwegian Council for Mental Health and the Norwegian ExtraFoundation for Health and Rehabilitation through EXTRAfunds. Grant number: 2.13/2/0021. URL: http://www.extrastiftelsen.no. The funders had no role in study design, data collection and analysis, decicion to publish, or preparation of the manuscript.