1. Department of Oral Medicine, Infection, and Immunity; Harvard School of Dental Medicine; Boston MA USA
2. Program in Placebo Studies; Beth Israel Deaconess Medical Center and Harvard Medical School; Boston MA USA
3. Department of Psychiatry; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
4. Endicott College; Beverly MA USA
5. Division of Oral Medicine and Dentistry; Brigham and Women's Hospital; Boston MA USA