Figure 3D: DAI sub score analysis – change in overall physical assessment between baseline and week 4 Non parametric statistical analysis of the change in overall physical assessment at week 4 compared to baseline for each treatment group. Population used for the analysis is defined as efficacy evaluable (EE) being those that completed the visit at week 4 (Global assessment score, 0= normal,1= mild disease, 2= moderate disease and 3= severe disease; pvalues depict significance).