Fig. 1From: The German version of the neurofibromatosis 2 impact on quality of life questionnaire correlates with severity of depression and physician-reported disease severityNFTI-QOL German version. Like the original version the questionnaire consists of 8 items with 4 possible answers each. Depending on symptom severity, 0 to 3 points are granted per category, resulting in up to 24 points in totalBack to article page