1 Institute of Translational Immunology and Research Center for Immunotherapy, Center for Celiac Disease and Autoimmunity, Johannes-Gutenberg University, Mainz, Germany; Division of Gastroenterology, Beth Israel Deaconess Medical Center & Harvard Medical School, Boston, Massachusetts. Electronic address: detlef.schuppan@unimedizin-mainz.de.
2 Crest Hospital Specialist Centre, Palmerston North, New Zealand; Department of Gastroenterology MidCentral District Health Board & Crest Specialist Centre, Palmerston North, New Zealand.