Results of the Questionnaires, n = 31, Except for the HADS (n = 29), ESS: Epworth Sleepiness Scale, FIS: Fatigue Impact Scale, for the FIS Norm Data From a Big Austrian Cohort Were Used (23), HADS: Hospital Anxiety and Depression Scale, PSQI: Pittsburgh Sleep Quality Index, SF 36: Short Form-36 Questionnaire; Data Are Presented as Median (Interquartile Range). P < 0.05 Is Considered Statistically Significant