1. Psychology Service, VA Connecticut Healthcare System, West Haven, CT 06516, USA
2. Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06511, USA
3. Psychology Service, VA Maryland Healthcare System, Baltimore, MD 21201, USA
4. Psychology Service, Roudebush Veteran Affairs Medical Center, Indianapolis, IN 46202, USA
5. Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN 46202, USA