DyspneaTracheal DiseasesFatal OutcomeLung Diseases, InterstitialTomography, X-Ray ComputedPulmonary Disease, Chronic ObstructiveRespiratory Function TestsExercise ToleranceDyspnea, ParoxysmalForced Expiratory VolumeSupranuclear Palsy, ProgressiveSpirometryDisease ProgressionSeverity of Illness Index