Figure 1: Quantification of circulating leucocytes (WBC), mononuclear cells (MNC) and platelets in cohort 1 are shown in figure 1A and cohort 2 is shown in figure 1B. Healthy controls had an average age of 71 years (63-81) and a mean number of circulating leucocytes of 6.53 x 109/L (4.1 x 109/L�8.8 x 109/L), MNC of 2.53 x 109/L (1.19 x 109/L-3.57 x 109/L). Levels for healthy controls are grey lines in the figures.