1. Department of Intensive Care, Université Catholique de Louvain, Cliniques St-Luc, 1200 Brussels, Belgium
2. Louvain Centre for Toxicology and Applied Pharmacology, Université Catholique de Louvain, 1200 Brussels, Belgium
3. Department of Pathology, Centre Hospitalier de Wallonie Picarde, Tournai, Belgium
4. Department of Anesthesiology, Centre Hospitalier de Wallonie Picarde, Tournai, Belgium
5. Department of Gastroenterology, Centre Hospitalier de Wallonie Picarde, Tournai, Belgium
6. Department of Pathology, Université Catholique de Louvain, Cliniques St-Luc, 1200 Brussels, Belgium