Efficacy and cost-effectiveness of guided and unguided internet- and mobile-based indicated transdiagnostic prevention of depression and anxiety (ICare Prevent): A three-armed randomized controlled trial in four European countries

Kiona K. Weisel, Anna Carlotta Zarski, Thomas Berger, Tobias Krieger, Michael P. Schaub, Christian T. Moser, Matthias Berking, Michelle Dey, Cristina Botella, Rosa Ma Baños, Rocío Herrero, Ernestina Etchemendy, Heleen Riper, Pim Cuijpers, F. Bolinski, A.M. Kleiboer, D. Görlich, J Beecham, Corinna Jacobi, David D. Ebert