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Baseline self-rated familiarity and confidence of participants (n = 47) with the course objectives. Visual analogue scale (VAS) anchors for familiarity self-ratings were 0 = very unfamiliar, 10 = very familiar. VAS anchors for confidence self-ratings were 0 = not at all confident, 10 = very confident). Bars indicate mean (solid bar) and standard deviation (error bar). CB = chronic breathlessness
