Additional file 1: of Optimising recruitment and informed consent in randomised controlled trials: the development and implementation of the Quintet Recruitment Intervention (QRI) Jenny Donovan Leila Rooshenas Marcus Jepson Daisy Elliott Julia Wade Kerry Avery Nicola Mills Caroline Wilson Sangeetha Paramasivan Jane Blazeby 10.6084/m9.figshare.c.3640781_D1.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Optimising_recruitment_and_informed_consent_in_randomised_controlled_trials_the_development_and_implementation_of_the_Quintet_Recruitment_Intervention_QRI_/4456580 Contains details of ethical approvals for the RCTs and ProtecT trial registrations. (DOCX 45 kb) 2016-06-08 05:00:00 Additional RCT consent Quintet Recruitment Intervention implementation QRI DOCX 45 kb Contains details Optimising recruitment randomised ProtecT trial registrations