[1
]
Unit of Experimental Endoscopy, Department of Internal Medicine I, University Hospital
Schleswig-Holstein, Kiel, Germany. Electronic address: fri.rav@btopenworld.com.
[2
]
Institute of Translational Immunology, Department of Medicine I, University of Mainz,
Mainz, Germany; Research Center for Immunology, University of Mainz, Mainz, Germany;
Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical
School, Boston, Massachusetts.
[3
]
Unit of Experimental Endoscopy, Department of Internal Medicine I, University Hospital
Schleswig-Holstein, Kiel, Germany.
[4
]
Department of Pathology, University Hospital Schleswig-Holstein, Kiel, Germany.
[5
]
Department of Dermatology, University Hospital Schleswig-Holstein, Kiel, Germany.
[6
]
Department of Anatomy, Christian Albrecht University, Kiel, Germany.
[7
]
University College London Institute of Child Health, University College London, London,
United Kingdom.