Achieving oncology mental health providers' usage of an empirically supported treatment: Lessons learned.

Our discussion of the plan, methods, and goals of EST training contributes to the science of dissemination/implementation by providing support for (1) theory-informed EST dissemination, and (2) mechanisms of EST implementation. For researchers, our experience may guide future EST dissemination/implementation efforts in psycho-oncology. For therapists, lessons learned provide criteria for evaluating future continuing education options.