1. Center for Applied Medical Research (CIMA), School of Medicine and Clinic University of Navarra, and Ciberehd, Pamplona, Spain
2. Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
3. Department of Immunology, Mayo Clinic College of Medicine, Rochester, MN, USA
4. Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands