@ease peer-to-peer youth walk-in centres in The Netherlands: A protocol for evaluating longitudinal outcomes, follow-up results and cost-of-illness.

Research regarding the visitors and effectiveness of the @ease services is fully original. It offers unique insights into the mental wellbeing and cost-of-illness of young people who may otherwise remain unseen while suffering from a high disease burden. The upcoming studies shed light on this unseen group, inform policy and practice and direct future research.