Response to eLetter: Fascinating helpful article, but how typical were the patients with DCM and what does this tell us?

To the Editor \n\nThank you for such a helpful article.1 I am very interested in your dilated cardiomyopathy group—some of whom were exercising 8 hours per week with a mean of 4 hours. This suggests that they are a slightly unusual, highly motivated and ‘exercising’ group of cardiomyopathy patients. Can you elaborate on how you defined ‘exercise’ (intensity and years …