Promoting Resilience in Youth through Mindfulness mEditation (PRYME): Study protocol for a randomized controlled trial investigating the effects of mindfulness training as add-on to care-as-usual on internalizing problems, mental illness development, and associated brain and cognitive processes in help-seeking youth - Schepers, Maud; Lagerweij, Paul; Geurts, Dirk; Krause, Florian; Ouden, Hanneke den; Cools, Roshan; Speckens, Anne; Collin, Guusje (BMC Psychiatry, 2025)