Search terms
| Concept | No | Search terms |
| Concept 1: Population | 1 | kidney transplantation (MeSH) |
| 2 | “kidney transplant*” (free-text term) | |
| 3 | “renal transplant*”(free-text term) | |
| 4 | OR [1–3] | |
| Concept 2: Adherence (outcome) | 5 | adherence, medication (MeSH) |
| 6 | adherence (free-text term) | |
| 7 | non-adherence (free-text term) | |
| 8 | noncompliance (free-text term) | |
| 9 | compliance (free-text term) | |
| 10 | “treatment refusal” (free-text term) | |
| 11 | “patient compliance” (free-text term) | |
| 12 | “medical compliance” (free-text term) | |
| 13 | “medical adherence” (free-text term) | |
| 14 | “medical non-adherence” (free-text term) | |
| 15 | concordan* (free-text term) | |
| 16 | OR [5–15] | |
| Concept 3: Immunosuppression | 17 | immunosuppression (MeSH) |
| 18 | immunosuppress* (free-text term) | |
| 19 | OR [17–18] | |
| All concepts combined | 20 | 4 AND 16 AND 19 |