Simmonds, J., Allen, K., O’Hara, C., Bartholdy, S., Renwick, B., Keyes, A., … Schmidt, U. (2020). Therapist written goodbye letters: evidence for therapeutic benefits in the treatment of anorexia nervosa. Behavioural and Cognitive Psychotherapy, 48(4), 419-431. https://doi.org/10.1017/S1352465820000089