“…Additionally, review articles that summarized the current status of research on adherence-enhancing interventions in chronic conditions were also selected and corresponding references therein were retrieved for full-text review [1, 26, 34, 40, 46, 55, 73, 80]. Furthermore, 14 publications, which were not identified via the literature search but which were known to the authors as being relevant, were included in the pool of the literature retrieved for full-text review [10, 15, 20, 21, 23, 31, 39, 47, 52, 62, 63, 65, 76, 77]. Given that none of the already published adherence-enhancing interventions were specific for psoriasis it was difficult to identify factors specific to psoriasis or its treatment.…”