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Corresponding Author: Tanja Jovanovic, Email: tjovano@emory.edu
All authors contributed significantly to the work.
T.J. wrote the first draft of the manuscript and edited the final version, provided funding for the study, designed the startle experiment, trained staff to collect data, and completed the statistical analyses.
A.V. collected and analyzed physiological and clinical data from the participants and was responsible for subject recruitment and testing.
D.C. was involved in assessment of trauma history in the children and data management.
A.K.K. and V.K. were responsible for DNA extraction and methylation analyses.
V.M. was responsible for collection and management of saliva samples from participants and provided funding for the study.
T.K. contributed to epigenetic analyses and writing of the first draft.
A.K.S. contributed to writing of the manuscript, methylation training and supervision of the research staff, and provided funding support.
All authors reviewed the manuscript.
We thank Rebecca Hinrichs, Angelo Brown, and the Grady Trauma Project staff for their assistance with participant recruitment and data collection.
The authors declare that they have no competing interests.
This work was supported by funding from NIH (R01 MH100122, R01 HD071982, K12 HD085850 and R21MH106902), and NARSAD awards from Brain & Behavior Research Foundation.
© 2017 The Author(s).