A Web- and Mobile-Based Intervention for Comorbid, Recurrent Depression in Patients With Chronic Back Pain on Sick Leave (Get.Back): Pilot Randomized Controlled Trial on Feasibility, User Satisfaction, and Effectiveness

Sandra Schlicker   ^{1, 2} , MSc ;   Harald Baumeister   ³ , PhD ;   Claudia Buntrock   ¹ , PhD ;   Lasse Sander   ⁴ , PhD ;   Sarah Paganini   ⁵ , PhD ;   Jiaxi Lin   ⁶ , PhD ;   Matthias Berking   ¹ , PhD ;   Dirk Lehr   ⁷ , PhD ;   David Daniel Ebert   ^{1, 8} , PhD

¹ Department of Clinical Psychology and Psychotherapy, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany

² Department of Clinical Psychology and Psychotherapy, Philipps-University Marburg, Marburg, Germany

³ Department of Clinical Psychology and Psychotherapy, Ulm University, Ulm, Germany

⁴ Department of Rehabilitationpsychology and Psychotherapy, Albert-Ludwigs-University Freiburg, Freiburg, Germany

⁵ Department of Sport and Sport Science, Albert-Ludwigs-University Freiburg, Freiburg, Germany

⁶ Department of Psychiatry and Psychotherapy Medical Center, Albert-Ludwigs-University Freiburg, Freiburg, Germany

⁷ Health Psychology and Applied Biological Psychology, Leuphana University Lüneburg, Lüneburg, Germany

⁸ Faculty of Behavioural and Movement Sciences, Section of Clinical Psychology, Vrije University Amsterdam, Amsterdam, Netherlands