The 2016 European Thyroid Association/European Group on Graves' Orbitopathy Guidelines for the Management of Graves' Orbitopathy - Bartalena, L; Baldeschi, L; Boboridis, K; Eckstein, A; Kahaly, G J; Marcocci, C; Perros, P; Salvi, M; Wiersinga, W M (Eur Thyroid J, 2016)