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All possible network connections (pairwise comparisons, lines) with 12 nodes (interventions, A–L: (A) standard of care, (B) enhanced standard of care, (C) interacting education, (D) motivational interview and behaviour change counselling, (E) multimedia education, (F) tailored care, (G) physician education, (H) printed material, (I) short message service, (J) provision of the patient’s own medical records, (K) incentives and (L) telephone call).
