Evaluation of a youth-focused suicide prevention HOPE aftercare service: protocol for a non-randomized hybrid effectiveness-implementation type I design. - Kartal, Dzenana; Jaeger, Tess; Lamblin, Michelle; Richards, Hannah; Witt, Katrina; Occhipinti, Jo-An; Mihalopoulos, Cathrine; Chatterton, Mary Lou; Chanen, Andrew; McGorry, Patrick; Skinner, Adam; Zbukvic, Isabel; et al. (BMC Health Services Research, 2024)