Additional file 2 of Efficacy of selenium supplementation for mild-to-moderate Graves’ ophthalmopathy in a selenium-sufficient area (SeGOSS trial): study protocol for a phase III, multicenter, open-label, randomized, controlled intervention trial

Additional file 2. Graves’ Ophthalmopathy Quality of Life Questionnaire (GO-QOL). Detailed items of GO-QOL questionnaire.