DMARD dosages used are: MTX 25 mg/week orally (dosage after 6 weeks),SSZ 2g/d (after 4 weeks) LEF 20 mg/day (dosage after 2 weeks) and HCQ 200 mg/day. Glucocorticoids will be given in an oral tapering scheme. All patients will be prescribed folic acid (10 mg/week) during MTX prescription.