| GFD | Gluten-free diet |
| CD | Coeliac disease |
| NGRD | Neurological gluten-related disorders |
| TG2 | Transglutaminase 2 |
| TTG | Tissue transglutaminase |
| TG6 | Transglutaminase 6 |
| IgA | Immunoglobulin A |
| HADS | Hospital anxiety and depression scale |
| VAS | Visual analogue scale |
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