Ethics approval and consent to participate
DEL, DER
All stages of this project (development, screening, intervention, follow-up) were conducted in accordance with relevant guidelines and regulations. Specifically, this project was reviewed by the European Commission as a precondition of funding approval for the project. Each individual county also got ethical approval at a national level. For the Irish site this was granted by the Clinical Research Ethics Committee of the Cork Teaching Hospitals. Ethical approval for sites not included are as follows; Austria: Ethikkomission der Medizinischen Universität Innsbruck. Estonia: Tallinna Meditsiiniuuringute Eetikakomitee. France: Comité de Protection des Personnes SudMéditerranée II. Germany: Ethikkommission Medizinische Fakultät Heidelberg. Hungary: Egészségügyi Tudományos Tanács Titkárság, Pályázati Iroda, Tudományos És Kutatásetikai. Israel: Helsinki Committee at the Rabin Medical Center. Italy: Comitato Bioetico Di Ateneo, Università Degli Studi Del Molise. Romania: Comisia De Eticã, A Universitãtii De Medicinã Si Farmacie, Cluj Napoca. Slovenia: Komisija Republike Slovenije Za Medicinsko Etiko. Spain: Comité Ètico de Investigación Clinica, regional del Principado de Asturias.Three arms of the study (Control, Question-Persuade-Refer & Youth Aware of Mental Health) had opt-out consent and the other (Professional Screening) had opt-in consent. Informed consent and assent was obtained from a parent/guardian and all participating students.