1. Department of Medical Biochemistry and Genetics, Biochemistry Laboratory C, The Panum Institute, University of Copenhagen, Denmark
2. Institute of Transplantation Immunology, Rikshospitalet and University of Oslo, Norway
3. Medical Department A, Rikshospitalet and University of Oslo, Norway
4. Department of Gastroenterology, Ullevaal Hospital, Norway
5. Department of Molecular Biology, Odense University, Denmark