Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland. School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland. National Children's Research Centre, Dublin 12, Ireland. Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland. Dana Farber Cancer Institute, Molecular Biology Core Facilities, Boston, MA 02215. School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom. Division of Cell Signaling and Immunology, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom. School of Medicine, Dentistry and Biomedical Sciences, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast BT9 7BL, United Kingdom. School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 4, Ireland; and. School of Pharmacy and Pharmaceutical Sciences, Trinity College, Dublin 2, Ireland. Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland; Andrew.E.Hogan@mu.ie.