[1] Centre Hospitalier Universitaire de Liège,Department of Abdominal Surgery and Transplantation
[2] Centre Hospitalier Universitaire de Liège,Department of Diabetology
[3] Centre Hospitalier Universitaire de Liège,Department of Dietetics
[4] Centre Hospitalier Universitaire de Liège,Department of Psychology
[5] Centre Hospitalier Universitaire de Liège,Department of Anesthesiology