Franklin G. Miller is a member of the senior faculty in the Department of Bioethics at the National Institutes of Health (NIH) and a special expert at the National Institute of Mental Health Intramural Research Program. Luana Colloca is a research fellow at the National Center for Complementary and Alternative Medicine and the National Institute of Mental Health, and an adjunct faculty member in the Department of Bioethics at NIH. Robert A. Crouch is an independent consultant. Ted J. Kaptchuk is an associate professor of medicine at Harvard Medical School and the director of the Program in Placebo Studies and the Therapeutic Encounter at the Beth Israel Deaconess Medical Center.