Introducing and Evaluating the Effectiveness of Online Cognitive Behavior Therapy for Gambling Disorder in Routine Addiction Care: Comparative Cohort Study - Molander, Olof; Berman, Anne H; Jakobson, Miriam; Gajecki, Mikael; Hällström, Hanna; Ramnerö, Jonas; Bjureberg, Johan; Carlbring, Per; Lindner, Philip (Journal of Medical Internet Research, 2024)