Volker Köllner

26PUBLICATIONS
34CO-AUTHORS
MultimorbidityPreventative health careChild and adolescent developmentPacific Peoples theory of change models for healthEarly childhood education
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Publications (26)

|May 28, 2026
Effectiveness and implementation of Self-Help Plus (SH+) and Doing What Matters in Times of Stress (DWMS): protocol of a systematic review and meta-analysis.

|Jan 07, 2026
Effectiveness of and Mechanisms of Change in a Self-Help Web- and App-Based Resilience Intervention on Perceived Stress in the General Working Population: Randomized Controlled Trial.

Sandy Hannibal, Dörte Behrendt, Michèle Wessa

|Nov 20, 2025
Long-term effects of psychotherapy in children and adolescents: protocol for database development and a systematic review in the LaKiJu META project.

Sarah K Schäfer, Clara F Burmeister, Eva Lottermoser

|Aug 14, 2025
Positive mental states and their relation to psychosocial resources: protocol of a systematic review focusing on cultural moderators.

Max Supke, Sarah K Schäfer, Jana Meier

|Jun 30, 2025
Barriers and facilitators for the implementation of preventative mental health interventions among secondary schools in high-income countries: a systematic review.

Sarah K Schäfer, Sophie Streit, Christian G Schäfer

|May 09, 2025
Case Management for Enhancing Wellbeing, Resilience, and Quality of Life in Caregivers of Children and Adolescents With Chronic Illnesses and Disabilities: A Systematic Review and Meta-Analysis.

Jan Broll, Sarah K Schäfer, Jutta Stoffers-Winterling

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Frequent Collaborators

6 joint publications

Tanja Michael

3 joint publications

Monika Equit

2 joint publications

Susanne Wurm

2 joint publications

Michèle Wessa