Sara van den Berg

166 Chapter 6 Supplementary Figure 4. Percentages of T-cells in all participants and in the ten selected for the heavy water labelling study. A&B. The frequency (left panels) and absolute numbers (right panels) of different CD4 + ( A ) or CD8 + ( B ) T-cell populations. In the top panels of both A and B all participants are shown, and in the lower panels only those selected for the heavy water labelling study, highlighted with a unique color. Differences be- tween CMV- and CMV+ individuals were tested by Mann-Whitney U test. Stars indicate significant differences as follows: * P -value <0.05, ** P -value <0.01, *** P -value <0.001, *** P -value <0.0001.