Figure 1

Study participants flow chart. From the 236 initially responding subjects 133 decided not to take part when they received more detail of study. The 2 patients that did not complete the study did so for reasons unrelated to the study.
Study participants flow chart. From the 236 initially responding subjects 133 decided not to take part when they received more detail of study. The 2 patients that did not complete the study did so for reasons unrelated to the study.