. 2018 Sep 20;9:1689. doi: 10.3389/fpsyg.2018.01689
Copyright © 2018 Stok, Renner, Allan, Boeing, Ensenauer, Issanchou, Kiesswetter, Lien, Mazzocchi, Monsivais, Stelmach-Mardas, Volkert and Hoffmann.
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FIGURE 1.
Flowchart of the working process and development of the taxonomy throughout the four phases.