Prevalence of CECR1 mutations in pediatric patients with polyarteritis nodosa, livedo reticularis and/or stroke. Issue 1 (December 2015) - Caorsi, R; Grossi, A; Insalaco, A; Alessio, M; Martino, S; Cortis, E; Morreale, A; Caroli, F; Martini, A; Ceccherini, I; Gattorno, M