Studying the health of adults born preterm is the aim of the EU-funded study HAPP-e, which has been recently launched. Focus point of HAPP-e is an electronic cohort. Researchers will follow a group of adults born preterm over a longer period of time and study the participant’s health and life conditions.  Both recruitment and follow-up of will entirely be performed using digital tools, such as a web-platform. This makes the study…