Assessing the costs and cost-effectiveness of ICare internet-based interventions (protocol) oleh Jennifer Beecham, Eva-Maria Bonin, Dennis Görlich, Rosa Baños, Ina Beintner, Claudia Buntrock, Felix Bolinski, Cristina Botella, David Daniel Ebert, Rocio Herrero, Rachel Potterton, Heleen Riper, Ulrike Schmidt, Karin Waldherr, Kiona Weisel, Anna-Carlotta Zarski, Michael Zeiler, Corinna Jacobi