Testing and Practical Implementation of a User-Friendly Personalized and Long-Term Electronic Informed Consent Prototype in Clinical Research: Mixed Methods Study.

"Conflicts of Interest: None declared."

"The authors are extremely grateful to all participants for taking part in a usability test or interview. The authors also thank Timothy Devos for his support with this study. In addition, they would like to acknowledge the following organizations for their support in recruiting participants for usability testing: Vlaams Patiëntenplatform, Harpa, and the Seniors Council of Leuven, Belgium. This research was supported by internal funds from KU Leuven on the Electronic Personalised Informed Consent project under grant agreement 3M190240. PB is funded by the European Union Horizon 2020 research and innovation program under grant agreements 825903 (euCanSHare) and 101057721 (Personalised Prevention Roadmap for the Future Healthcare [PROPHET]), as well as by the Research Foundation–Flanders."