Do Nonsuicidal Severely Depressed Individuals with Diabetes Profit from Internet-Based Guided Self-Help? Secondary Analyses of a Pragmatic Randomized Trial - Schlicker, Sandra; Weisel, Kiona K.; Buntrock, Claudia; Berking, Matthias; Nobis, Stephanie; Lehr, Dirk; Baumeister, Harald; Snoek, Frank J.; Riper, Heleen; Ebert, David D. (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2019)