1. Gelderse Vallei Hospital, Ede, the Netherlands
2. Groupe Hôpital Pellegrin – CHU Bordeaux, Bordeaux, France
3. Universitätsklinikum Leipzig, Germany
4. Heinrich-Braun-Klinikum, Zwickau, Germany
5. Klinikum Neuperlach, Munich, Germany
6. Klinikum St Georg, Leipzig, Germany
7. Ghent University Hospital, Ghent, Belgium
8. Hôpital Universitaire Albert Michallon, Grenoble, France
9. Medisch Centrum Alkmaar, Alkmaar, the Netherlands
10. Charité Universitätsmedizin Berlin, Germany
11. Erasme University Hospital, Université libre de Bruxelles, Brussels, Belgium
12. Hôpital Antoine-Béclère, Clamart, France
13. Nutricia Advanced Medical Nutrition, Nutricia Research, Utrecht, the Netherlands