Jack David Barchas, M.D. is the Barklie McKee Henry Professor and Chairman of the Department of Psychiatry at the Weill Cornell Medical College of Cornell University and the Psychiatrist-in-Chief of the New York-Presbyterian Hospital/Weill Cornell Medical Center and the Payne Whitney Psychiatric Clinic. JoAnn Difede is the editor of Psychiatric and Neurologic Aspects of War, Volume 1208, published by Wiley.