Vitamin D, oral health, and disease characteristics in juvenile idiopathic arthritis: a multicenter cross-sectional study

Lena Cetrelli, Athanasia Bletsa, Anette Lundestad, Elisabet Grut Gil, Johannes Fischer, Josefne Halbig, Paula Frid, Oskar Angenete, Ingrid Lillevoll, Annika Rosén, Karin B. Tylleskär, Keio Luukko, Ellen Nordal, Anne Nordrehaug Åstrøm, Marit Slåttelid Skeie, Astrid Jullumstrø Feuerherm, Abhijit Sen and Marite Rygg