Correction to: npj Digital Medicine https://doi.org/10.1038/s41746-020-00347-7, published online 30 October 2020

The original version of the published Article had an error in the Abstract. The tenth sentence of the Abstract has been corrected to the following: Exacerbations tended to be less frequent in the digital arm compared to usual care; 18 vs 34 events. The HTML and PDF versions of the Article have been corrected.