1. Department of Medical and Clinical Psychology, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814.
2. The Henry M. Jackson Foundation for the Advancement of Military Medicine, 6720A Rockledge Drive 100, Bethesda, MD 20817.
3. Department of Family Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814.
4. Family and Community Medicine, Penn State University College of Medicine, 500 University Drive, Hershey, PA 17033.