. 2019 Mar 22;8(3):e12413. doi: 10.2196/12413
©Louise Poppe, Ilse De Bourdeaudhuij, Maïté Verloigne, Laurent Degroote, Samyah Shadid, Geert Crombez. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 22.03.2019.
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Figure 1.
Study flow.