The RaDiCEA Project: cost of illness (COI) analysis applied to Cryopyrin Associated Periodic Syndromes (CAPS). Issue 1 (December 2015) - Della Casa Alberighi, O; Trieste, L; Accame, L; Lorenzoni, V; Pierotti, F; Federici, S; Gattorno, M; Quartier, P; Ngoc, P; Rojas, N; Martini, A; Turchetti, G