Multi-center study on the characteristics and treatment strategies of patients with Graves’ orbitopathy: the first European Group on Graves’ Orbitopathy experience - Prummel, M F, 1; Bakker, A; Wiersinga, W M; Baldeschi, L; Mourits, M P; Kendall-Taylor, P; Perros, P; Neoh, C; Dickinson, A J; Lazarus, J H; Lane, C M; Heufelder, A E; Kahaly, G J; Pitz, S; Orgiazzi, J; Hullo, A; Pinchera, A; Marcocci, C; Sartini, M S; Rocchi, R; Nardi, M; Krassas, G E; Halkias, A (Eur J Endocrinol, 2003)