“…In a recent US study, adult patients -of whom only half had performed airway clearance -reported a mean time spent on treatment activities of 108 minutes per day (Sawicki et al, 2009). Though very difficult to assess (Modi et al, 2006), treatment adherence is undoubtedly a key issue in CF (Eakin et al, 2011) and requires permanent assessment and support (Pendleton, 2000). There is no magic recipe, but this subject has to be bridged at every consultation, in an open manner, with empathy and as part of a 'therapeutic alliance' (Lask, 1994;Cohen-Cymberknoh et al, 2011).…”