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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: J Occup Environ Med. 2016 Aug;58(8):S89–S96. doi: 10.1097/JOM.0000000000000769

Figure 1. Study design and sample nomenclature.

Figure 1

800 de-identified serum samples were obtained from the Department of Defense Serum Repository (DoDSR) for targeted analysis of microRNA (miRNA) levels. Serum samples were collected from a cohort of 200 service personnel who were deployed to either Joint Base Balad in Iraq (2006–2008) or Bagram Airbase in Afghanistan (2011–2012). These samples represent the Case group. Sera was collected Pre and Post deployment (N= 400 Case samples, 200 Pre and 200 Post). The Control group consisted of 200 service members who were not deployed overseas, and who were selected for matched time-in-service in both Pre and Post draws (N= 400 Control samples, 200 Pre and 200 Post). These groups were assigned and miRNA profiling was performed to identify changes in miRNA expression.