1. Department of Molecular Biology, Faculties of Science and Medicine, Radboud Institute for Molecular Life Sciences, Radboud University, 6500 HB Nijmegen, Netherlands.
2. Department of Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, Netherlands.
3. Center for Computational and Integrative Biology and Gastrointestinal Unit, Massachusetts General Hospital, Harvard School of Medicine, Boston, MA 02114, USA.
4. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02142, USA.
5. Department of Haematology, University of Cambridge, Cambridge, UK.
6. National Health Service, Blood and Transplant Cambridge Centre, Cambridge Biomedical Campus, Cambridge CB0 2PT, UK.
7. University of Groningen, University Medical Center Groningen, Department of Genetics, Groningen, Netherlands.
8. Fourth Department of Internal Medicine, University of Athens, Medical School, 1 Rimini Street, 12462 Athens, Greece.