1. Department of Psychiatry, and Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Korea
2. Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience, and Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA
3. University of Colorado Denver School of Medicine, Aurora, CO
4. Department of Veterans Affairs San Diego Healthcare System, San Diego, California and Departments Medicine and Pathology, University of California, San Diego, CA