| HT | Hashimoto’s thyroiditis |
| TSH | Thyroid-stimulating hormone |
| fT4 | Free thyroxine |
| fT3 | Free triiodothyronine |
| 25(OH)D | 25-hydroxyvitamin D |
| 1,25(OH)2D | 1,25-dihydroxyvitamin D |
| VDR | Vitamin D receptor |
| anti-TPO | Antithyroid peroxidase |
| anti-TG | Antithyroglobulin |
| AITD | Autoimmune thyroid disease |
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