DIGITAL DIARY is an app in which you, as a participant in a scientific study, provide data to the researchers. You can always check and export your own data for personal use. The app 'the DIGITAL DIARY' is always used in a study design. The data entered will be adjusted per study. For example, a food diary can also be integrated for this. The promoter and/or researchers of the study have access to the data of the participants in accordance with the research protocol. Confidentiality is guaranteed, UCLL's GDPR policy is followed and questions about this can be put to the person responsible for the study. See more information in the privacy statement section.