“…Other interventions were facilitated by social workers, 34,37,44,46,50 psychologists, 15,34,56,58 oncology experts 38 and three studies were facilitated by trained researchers 55,57,60 . The PEIs in 14 of the included trials was guided by a conceptual framework, 35,37,39,41,45,46,50,53,55,60,62,63 the most common being the Transactional Model of Stress and Coping 35,36,46,53 …”