KCNJ11 activating mutations in Italian patients with permanent neonatal diabetes. by Massa, O, Iafusco, D, D'Amato, E, Gloyn, A, Hattersley, A, Pasquino, B, Tonini, G, Dammacco, F, Zanette, G, Meschi, F, Porzio, O, Bottazzo, G, Crinó, A, Lorini, R, Cerutti, F, Vanelli, M, Barbetti, F