| Duplicates Removed—All Databases | ||||||
| Ovid Medline | Embase.com | Ovid APA PsycInfo | Web of Science | EBSCOhost CINAHL | Totals | |
| Total retrieved | 599 | 1076 | 159 | 660 | 364 | 2858 |
| Total duplicates removed | 1 | 351 | 50 | 360 | 147 | 909 |
| Remaining citations | 598 | 725 | 109 | 300 | 217 | 1949 |
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