Search Results - Katja Siefken

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    How does sport affect mental health? An investigation into the relationship of leisure-time physical activity with depression and anxiety by Katja Siefken, Astrid Junge, Lena Laemmle

    Published 2019
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    Worldwide use of the first set of physical activity Country Cards: The Global Observatory for Physical Activity - GoPA! by Andrea Ramirez Varela, Deborah Salvo, Michael Pratt, Karen Milton, Katja Siefken, Adrian Bauman, Harold W. Kohl, I-Min Lee, Gregory Heath, Charlie Foster, Kenneth Powell, Pedro C. Hallal

    Published 2018
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