50 ways to trace your veteran: increasing response rates can be cheap and effective.

"Conflict of interest and funding This study was funded by the UK Ministry of Defence. The authors’ work was independent of the funders and we disclosed the paper to the Ministry of Defence at the point we submitted it for publication. SW is partially funded by the South London and Maudsley NHS Foundation Trust/Institute of Psychiatry National Institute of Health Research Biomedical Research Centre. NTF, LvS, SW and ACI work for King's College London which receives funding from the UK Ministry of Defence. SW is Honorary Civilian Consultant Advisor in Psychiatry to the British Army and a Trustee of Combat Stress, a UK charity that provides services and support for veterans with mental health problems."

"Conflict of interest and funding: This study was funded by the UK Ministry of Defence. The authors’ work was independent of the funders and we disclosed the paper to the Ministry of Defence at the point we submitted it for publication. SW is partially funded by the South London and Maudsley NHS Foundation Trust/Institute of Psychiatry National Institute of Health Research Biomedical Research Centre. NTF, LvS, SW and ACI work for King's College London which receives funding from the UK Ministry of Defence. SW is Honorary Civilian Consultant Advisor in Psychiatry to the British Army and a Trustee of Combat Stress, a UK charity that provides services and support for veterans with mental health problems."