Additional file 1: of The effects of two early parenting interventions on child aggression and risk for violence in Brazil (The PIÁ Trial): protocol for a randomised controlled trial Joseph Murray Iná Santos Andréa Bertoldi Lynne Murray Adriane Arteche Luciana Tovo-Rodrigues Suélen Cruz Luciana Anselmi Rafaela Martins Elisa Altafim Tâmara Soares Maria Andriotti Andrea Gonzalez Isabel Oliveira Mariângela Silveira Peter Cooper 10.6084/m9.figshare.8073149.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_The_effects_of_two_early_parenting_interventions_on_child_aggression_and_risk_for_violence_in_Brazil_The_PI_Trial_protocol_for_a_randomised_controlled_trial/8073149 Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) 2013 Checklist: recommended items to address in a clinical trial protocol and related documents*. (DOC 119 kb) 2019-05-02 05:00:00 Child aggression Parenting interventions Child development Violence prevention