Box 1 List of tasks performed by PPI participants during testing sessions

PPI participants

 Downloading the app;

 Registering (onboarding) the app via a single-use QR code;

 Accessing, opening, completing and submitting the PROMs;

 Proceeding to the next questionnaire;

 Accessing the information section;

 Reviewing the training leaflet

Research Nurses

 Accessing the clinician dashboard

 Creating a new user

 Selecting a disease cohort

 Generating a QR code

 Reviewing the training leaflet