A randomized controlled trial into the cognitive effects of a computer-tailored physical activity intervention in older adults with chronic disease(s).

"Conflict of interest The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results. Competing interests The authors declare that they have no competing interests."

"Funding This project was funded by Brain Foundation Netherlands (‘Hersenstichting’) embedded in the program “Physical Activity and Cognition (GH-2016-03-01). The Brain Foundation peer reviewed the design of this study. This funding source had no role during its execution, analyses, interpretation of the data, or decision to submit results."

"Trial registration Netherlands Trial Register NL6005; Date of Registration 03-21-2017; https://www.trialregister.nl/trial/6005"