Author Contributions: Drs Vasterling and Proctor had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Vasterling, Proctor, Kane, White.
Acquisition of data: Vasterling, Proctor, Kane.
Analysis and interpretation of data: Vasterling, Proctor, Amoroso, Heeren, White.
Drafting of the manuscript: Vasterling, Proctor, White.
Critical revision of the manuscript for important intellectual content: Vasterling, Proctor, Amoroso, Kane, Heeren, White.
Statistical analysis: Vasterling, Proctor, Heeren.
Obtained funding: Vasterling, Proctor.
Administrative, technical, or material support: Vasterling, Proctor, Amoroso, Kane, White.
Study supervision: Vasterling, Proctor, White.
Financial Disclosures: None reported.
Funding/Support: This work was supported by US Army Medical Research and Materiel Command (DAMD 17-03-0020; HSRRB Log No. A-11815) and VA Clinical Science Research and Development awards. This work also was supported in part by resources provided by the South Central Mental Illness Research, Education, and Clinical Center and US Army Research Institute for Environmental Medicine, Natick, Mass. Some of the work was completed at the Department of Veterans Affairs Houston Center for Quality of Care and Utilization Studies and Tulane University Department of Psychology. The US Army Medical Research Acquisition Activity (Fort Detrick, Md) is the awarding and administering acquisition office for DAMD 17-03-0020.
Role of the Sponsor: The primary funding organizations had no role in the design or conduct of the study; in the collection, management, analysis, and interpretation of the data, or in preparation, review, or approval of the manuscript. However, the manuscript underwent scientific and administrative review within the US Army Research Institute for Environmental Medicine.
Disclaimer: The content of this article does not necessarily reflect the position or policy of the government, and no official endorsement should be inferred.
Acknowledgment: We are grateful to the soldiers who generously donated their time to participate in the study. We also appreciate the efforts of the key military personnel who facilitated conduct of the study for their units. In particular, we thank the leaders, medical staff, planners, and personnel officers from participating units and the associated Corp Surgeons' Offices. The study would not have been possible without the high level of support provided by the US Army Forces Command, Command Surgeon's Office, in identifying and facilitating access to participating military units. Finally, we thank Maxine Krengel, PhD, Boston University School of Medicine, for performing reliability ratings, the many examiners who volunteered their time, and time 1 and time 2 study coordinators, Gina Clausi, MSW, RN, and Deborah Arant-Daigle, BA.