“…One record was included through citation searching. A final 46 articles were included in the narrative synthesis,21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66 of which two reported on the same study,48, 58 and 19 qualified for meta-analysis22, 25, 29, 30, 34, 35, 36, 37, 41, 45, 47, 48, 49, 50, 51, 53, 60, 62, 65 (figure 1; table 1; appendix). All included studies were done in high-income contexts, and examined the health-related impact of entry (eight studies)32, 35, 47, 48, 53, 57, 58, 59, 61 and integration (37 studies)21, 22, 23, 24, 25, 26, 27, 28,…”