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Inclusion criteria for individuals whose samples were used in the analyses
| Category | Criteria |
|---|---|
| Age (year) | Exclude infants (0 ≤ age ≤ 1) |
| BMI | 18.5–30.0 |
| Last exposure to antibiotics | Over 1 month |
| Acid reflux | No |
| Appendix removed | No |
| Autoimmune disease | No |
| Cancer | No |
| Cardiovascular disease | No |
| Clinical condition | No |
| IBD | No |
| IBS | No |
| Liver disease | No |
| Lung disease | No |
| Mental Illness | No |
| PKU | No |
| Pregnant | No |
| SIBO | No |
