CORRECTION
For the article “A 5-Year Observational Study of Patients With Treatment-Resistant Depression Treated With Vagus Nerve Stimulation or Treatment as Usual: Comparison of Response, Remission, and Suicidality” by Scott T. Aaronson, M.D., et al. (Am J Psychiatry 2017; 174:640–648; doi: 10.1176/appi.ajp.2017.16010034), a list of the participating sites and investigators has been added to the supplementary materials.