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Number and geographic distribution of CL/P and CP cases and controls included in the analysis.
| Site | Control | CL/P case | CP case |
|---|---|---|---|
| Argentina | 30 | 111 | 20 |
| China | 27 | 157 | 23 |
| Colombia | 227 | 681 | 0 |
| Denmark | 0 | 46 | 22 |
| Guatemala | 208 | 102 | 4 |
| Hungary | 253 | 105 | 31 |
| India | 38 | 51 | 1 |
| Philippines | 96 | 159 | 16 |
| Puerto Rico | 106 | 84 | 24 |
| Spain | 0 | 34 | 4 |
| Turkey | 173 | 172 | 19 |
| United States | 418 | 293 | 57 |
| Total | 1576 | 1995 | 221 |
