Figures & data
Table 1. Keywords and search field.
Table 2. Inclusion and exclusion criteria.
Table 3. Fields extracted from the included studies.
Table 4. Characteristics of relational feedback.
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Table 1. Keywords and search field.
Table 2. Inclusion and exclusion criteria.
Table 3. Fields extracted from the included studies.
Table 4. Characteristics of relational feedback.
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