Author Contributions: Mr Bayer had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Bayer, Klasen, Adam.
Acquisition of data: Bayer.
Analysis and interpretation of data: Bayer, Klasen.
Drafting of the manuscript: Bayer, Klasen.
Critical revision of the manuscript for important intellectual content: Bayer, Klasen, Adam.
Statistical analysis: Bayer, Klasen.
Obtained funding: Bayer, Klasen, Adam.
Administrative, technical, or material support: Bayer, Klasen, Adam.
Study supervision: Adam.
Financial Disclosures: None reported.
Funding/Support: Our work was supported by the Children for Tomorrow Foundation. Mr Bayer was supported by a doctoral thesis scholarship of the Werner Otto Foundation. The costs of travel for Mr Bayer were sponsored by the German Academic Exchange Service (DAAD). UNICEF and World Vision provided logistical support.
Role of the Sponsor: The funding organizations had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or the preparation, review, or approval of the manuscript.
Additional Contributions: We thank the team of UNICEF in Goma and Bukavu (Democratic Republic of the Congo), the team of UNICEF Germany, and the team of World Vision in Gulu (Uganda) for their strong support of this project. We also thank all colleagues from the Department of Child and Adolescent Psychiatry, University Clinic Hamburg, Germany, and particularly Peter Riedesser, MD, for their supervision and helpful comments. We are grateful to the Werner Otto Foundation, the DAAD, and the Children for Tomorrow Foundation for their generous support. We are especially grateful to all the children who made the study possible by sharing with us their experiences. Persons or organizations named in the acknowledgment did not receive any compensation.