Effects up to 20-Year Follow-Up of Preventive Cognitive Therapy in Adults Remitted from Recurrent Depression: The DELTA Study. - Legemaat, Amanda M.; Burger, Huibert; Geurtsen, Gert J.; Brouwer, Marlies; Spinhoven, Philip; Denys, Damiaan; Bockting, Claudi L. (Psychotherapy & Psychosomatics, 2023)