Sticking it out in trauma-focused treatment for PTSD: It takes a village. - Meis LA; Noorbaloochi S; Hagel Campbell EM; Erbes CR; Polusny MA; Velasquez TL; Bangerter A; Cutting A; Eftekhari A; Rosen CS; Tuerk PW; Burmeister LB; et al. (Journal of consulting and clinical psychology, 2019)