Correction to: Promoting healthy teenage behaviour across three European countries through the use of a novel smartphone technology platform, PEGASO fit for future: study protocol of a quasi-experimental, controlled, multi-Centre trial (BMC Medical Informatics and Decision Making, (2019), 19, 1, (278), 10.1186/s12911-019-0958-x)

Following publication of the original article [1], the authors reported a missing statement in the Funding declaration. The updated Funding declaration is given below with the inserted statement in boldface: This project was funded by research grants of the European Commission under the 7th Framework Programme (Call identifier: FP7-ICT-2013-10; Project number: 610727) and of the Instituto de Salud Carlos III through the project RD16/0001/0010 (Co-funded by European Regional Development Fund/European Social Fund "A way to make Europe"/"Investing in your future"). Funding has allowed the evaluation work package of the project to design the study, collect and analyse data and in writing the manuscript. AM was supported by the UK Medical Research Council (grant number MC_UU_12017/14) and the Scottish Government Chief Scientist Office (grant number SPHSU14). The original article [1] has been updated.