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. 2021 Aug 14;16:2337–2350. doi: 10.2147/COPD.S315130

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© 2021 Scheermesser et al.

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Development of types. Each participant is represented by a circle with their corresponding ID-number. Participants were grouped according to motivational quality (continuum from extrinsic to intrinsic) and PA (continuum from low intensity to high intensity).