Retraction Note: MDMA-assisted psychotherapy for treatment of PTSD: study design and rationale for phase 3 trials based on pooled analysis of six phase 2 randomized controlled trials. - Mithoefer MC; Feduccia AA; Jerome L; Mithoefer A; Wagner M; Walsh Z; Hamilton S; Yazar-Klosinski B; Emerson A; Doblin R (Psychopharmacology, 2024)