Self‐reported medication intake vs information from other data sources such as pharmacy records or medical records: Identification and description of existing publications, and comparison of agreement results for publications focusing on patients with cancer ‐ a systematic review

• Manuela BrüneDeutsches Diabetes-Zentrum e.V.
• Carina EmmelHeinrich Heine University Düsseldorf
• Gisela MeilandsHeinrich Heine University Düsseldorf
• Silke AndrichDeutsches Diabetes-Zentrum e.V.
• Sigrid DrosteHeinrich Heine University Düsseldorf
• Heiner ClaessenDeutsches Diabetes-Zentrum e.V.
• Fabian JülichHeinrich Heine University Düsseldorf
• Andrea IcksDeutsches Diabetes-Zentrum e.V.