1. Department for Molecular Biomedical Research, VIB, Ghent, Belgium.
2. Department of Molecular Biology, Ghent University, Ghent, Belgium.
3. Department of Microbiology, Peking University Health Science Center, Haidian District, Beijing, People's Republic of China.
4. Department of Surgery, Ghent University Hospital, Ghent, Belgium.
5. Department of Pathology, Ghent University Hospital, Ghent, Belgium.