Age and onset timing of Raynaud's phenomenon and first non-Raynaud symptom as prognostic factors in systemic sclerosis: a retrospective analysis from the Italian national multicenter Systemic Sclerosis Progression INvestiGation registry of the Italian Society for Rheumatology (SPRING-SIR). - Peretti S; Bruni C; Bonomi F; De Angelis R; Bajocchi G; Giuggioli D; Orlandi M; Zanframundo G; Foti R; Visalli E; Cuomo G; Ariani A; et al. (Therapeutic advances in musculoskeletal disease, 2026)