Experience from the first UK inter-regional specialist multidisciplinary meeting in the diagnosis and management of IgG4-related disease by Goodchild, G, Peters, RJR, Cargill, TN, Martin, H, Fadipe, A, Leandro, M, Bailey, A, Collier, J, Firmin, L, Chouhan, M, Rodriguez-Justo, M, Sadler, R, Chapman, RW, Bungay, H, Fryer, E, David, J, Luqmani, R, Barnes, E, Webster, GJ, Culver, EL