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. 2020 May 4;11:330. doi: 10.3389/fpsyt.2020.00330

Figure 1.

Figure 1

Flowchart - recruitment and analytical sample selection of the German study on aging, cognition, and dementia in primary care patients (AgeCoDe)/the study on needs, health service use, costs, and health-related quality of life in a large sample of oldest-old primary care patients (AgeQualiDe).