The Variability Pillar will use the developed tools to identify genes correlated with health and disease states in terms both of presence and expression.

• WPV.1 : Correlations between microbiota and inflammatory bowel disease. The workpackage leader is Dr. F. Guarner from HUVH, Spain.
  
• WPV.2 : Correlations between microbiota and obesity. The workpackage leader is Dr. O.Pedersen from NN SDC, Denmark.