Progress feedback in children and adolescents with internalizing and externalizing symptoms in routine care (OPTIE study): study protocol of a randomized parallel-group trial

2021 . Hautmann, Christopher | Rausch, Jana | Geldermann, Nina | Oswald, Felix | Gehlen, Danny | Hellmich, Martin | Rosenberger, Kerstin | Samel, Christina | Woitecki, Katrin | Walter, Daniel | Adam, Julia | Dachs, Lydia | Goletz, Hildegard | Halder, Joya | Kinnen, Claudia | Mücke, Kristina | Otte, Janina | Perri, Daniela | Rademacher, Christiane | Schürmann, Stephanie | Viefhaus, Paula | Wolff Metternich-Kaizman, Tanja | Döpfner, Manfred