TPO and celiac disease: Anti-tTG, anti-tissue transglutaminase; anti-EMA, anti-endomysial antibodies; CD, Celiac disease; DM, diabetes mellitus; FT4, FT3, free T4, free T3; TSH, thyroid-stimulating hormone; anti-ATG, anti-thymocyte globulin; anti-TPO antibodies, anti-thyroid peroxidase antibodies; anti-ARA, anti-reticulin antibodies.