An exploratory study on the role of vitamin D supplementation in improving pain and disease activity in rheumatoid arthritis

Affiliations

• ¹ Rheumatology Unit, University of Verona, Verona, Italy.
• ² Rheumatology Unit, Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy.
• ³ Rheumatology Unit, University of Foggia, Foggia, Italy.
• ⁴ Rheumatology Unit, Gaetano Pini Institute, Milan, Italy.
• ⁵ Rheumatology Unit, Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
• ⁶ Rheumatology Unit, University Federico II of Naples, Naples, Italy.
• ⁷ Rheumatology Unit, Galateo San Cesario Hospital, San Cesari di Lecce, Italy.