1. Spinella A, Pignatti M, Citriniti G et al (2019) Thu0349 autologous fat grafting in the treatment of patients with systemic sclerosis: current experience and future prospects. Ann Rheum Dis 78:456
2. LeRoy EC, Black C, Fleischmajer R, Jablonska S, Krieg T, Medsger TA Jr et al (1988) Scleroderma (systemic sclerosis): classification, subsets and pathogenesis. J Rheumatol 15:202–205
3. Medsger TA Jr, Steen VD (2004) Classification and prognosis. In: Clements PJ, Furst DE (eds) Systemic sclerosis. Williams and Wilkins, Philadelphia, pp 51–64
4. Denton CP (2015) Systemic sclerosis: from pathogenesis to target therapy. Clin Exp Rheumatol 33(4):3–7
5. Elhai M, Meune C, Avouac J, Kahan A, Allanore Y (2012) Trends in mortality in patients with systemic sclerosis over 40 years: a systematic review and meta-analysis of cohort studies. Rheumatology 51:1017–1026