Correction to: Clinical Rheumatology

https://doi.org/10.1007/s10067-018-4315-8

The authors regret that the Fig. 1 in the original version of this article contained an error. In the left column, 211 cases in the TGP group should be followed up for 8 weeks before 12 weeks. The correct figure is shown as follows:

Fig. 1
figure 1

Flow chart of the study of TGP for treatment of primary Sjögren’s syndrome. A total of 320 patients were assessed, and 314 patients were randomized: 211 to TGP and 103 to placebo group. At week 24, 170 patients in TGP and 88 patients in placebo group completed the study