Correction to: Efficacy of Acceptance and Commitment Therapy in Daily Life (ACT-DL) in early psychosis: study protocol for a multi-centre randomized controlled trial (Trials, (2019), 20, 1, (769), 10.1186/s13063-019-3912-4)

© 2021, The Author(s).Following the publication of the original article [1], the authors discovered a typographical error in the method section under the inclusion criteria subsection. The text “[the] inclusion criteria are as follows: (1) aged 16-65 years” should read “[the] inclusion criteria are as follows: (1) aged 15-65 years”. The authors were granted ethical approval for this age range by the MERC at Maastricht University Medical Centre (MUMC), The Netherlands reference: (NL46439.068.13) and the University Clinical Leuven, Belgium (reference: B322201629214). The typographical error therefore has had no implications for the RCT.