A multiple baseline trial of adapted prolonged exposure psychotherapy for individuals with early phase psychosis, comorbid substance misuse, and a history of adversity: A study protocol. - Patterson VC; Tibbo PG; Stewart SH; Town J; Crocker CE; Ursuliak Z; Lee S; Morrison J; Abidi S; Dempster K; Alexiadis M; Henderson N; et al. (Frontiers in psychology, 2022)