Figure 1.

Frequency of therapy sessions in the intervention conditions. It has to be noted that a treatment period of 40 sessions does not equal always 10 months. We therefore defined the measurement point T2 as 10 months after inclusion in the study (± 2 weeks).

Wild et al. Trials 2009 10:23   doi:10.1186/1745-6215-10-23
Download authors' original image