Table 1. Overview of the origin of samples from IBD patients and healthy controls.
| Controls | UC | CD (L1) | CD (L2) | CD (L3) | |
| Vienna | 833* | 149 | 54 | 55 | 150 |
| Leuven | 242 | 74 | 81 | 45 | 151 |
| Oxford | 324 | 562 | 94 | 125 | 254 |
*
healthy blood donors from Stuttgart.
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