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Summary information of study cohorts and the combined data.
| cohort | case | control | male% | location |
|---|---|---|---|---|
| UK | 997 | 8414 | 55.0 | Europe |
| US | 593 | 2118 | 67.4 | America |
| SEE | 982 | 1927 | 72.1 | Europe |
| SEU | 237 | 941 | 68.7 | Europe |
| NL | 299 | 1991 | 45.3 | Europe |
| ES | 215 | 394 | 68.0 | Europe |
| combined | 3323 | 15785 | 59.5 | mixed |
