Internet-Delivered Cognitive Behavioral Therapy for Anxiety Disorders in Open Community Versus Clinical Service Recruitment: Meta-Analysis

Geke Romijn   ^{1, 2} , MSc ;   Neeltje Batelaan   ³ , MD, PhD ;   Robin Kok   ^{1, 4, 5} , PhD ;   Jeroen Koning   ⁶ , MD, PhD ;   Anton van Balkom   ³ , MD, PhD ;   Nickolai Titov   ⁷ , PhD ;   Heleen Riper   ^{1, 8} , PhD

¹ Department of Clinical, Neuro and Developmental Psychology, VU University, Amsterdam Public Health Research Institute, Amsterdam, Netherlands

² Altrecht Academic Anxiety Centre, Utrecht, Netherlands

³ Department of Psychiatry, VU University Medical Centre, Amsterdam Public Health Research Institute, Amsterdam, Netherlands

⁴ Department of Psychology, University of Southern Denmark, Odense, Denmark

⁵ Centre for Innovative Medical Technology, Odense University Hospital, Odense, Denmark

⁶ Pro Persona Psychiatric Centre, Tiel, Netherlands

⁷ Mindspot, Department of Psychology, Macquarie University, Sydney, Australia

⁸ Centre for Telepsychiatry, Mental Health Services of Southern Denmark, Odense, Denmark