Waldemar Siemens

9PUBLICATIONS
19CO-AUTHORS
Forensic evaluation, inference and statisticsCentral and Eastern European literature (incl. Russian)Planning and decision makingPolitical economy and social changePacific Peoples sport and physical activity
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Publications (9)

|Jun 08, 2026
Response to: Five methodological considerations for validating LLMs in risk of bias assessment.

|Apr 13, 2026
Non-dissemination in qualitative health research-A retrospective cohort study of conference abstracts.

Marwin Weber, Markus Toews, Waldemar Siemens

|Jan 09, 2025
Opportunities, challenges and risks of using artificial intelligence for evidence synthesis.

Waldemar Siemens, Erik von Elm, Harald Binder

|Dec 20, 2023
How the COVID-19 pandemic and related school closures reduce physical activity among children and adolescents in the WHO European Region: a systematic review and meta-analysis.

Helena Ludwig-Walz, Waldemar Siemens, Sarah Heinisch

|Sep 20, 2023
Physical activity and physical fitness among children and adolescents after the onset of the COVID-19 pandemic in the WHO European Region: a systematic review protocol.

Helena Ludwig-Walz, Waldemar Siemens, Sarah Heinisch

|Mar 06, 2023
Effect of opioids for breathlessness in heart failure: a systematic review and meta-analysis.

Jan Gaertner, Tanja Fusi-Schmidhauser, Stephanie Stock

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Frequent Collaborators

3 joint publications

Gerhild Becker

3 joint publications

Jan Gaertner

3 joint publications

Joerg J Meerpohl

2 joint publications

Martin Bujard