1. Laboratory for Pharmacotechnology and Biopharmacy, O&N Gasthuisberg, Catholic University of Leuven, Belgium
2. Pharmaceutical Sciences R&D, Lilly Development Centre, 11 rue Granbonpré, 1348 Mont-Saint-Guibert, Belgium
3. Department of Medicine I, University Hospital Bonn, University of Bonn, Bonn, Germany
4. Center for Gastroenterologic Research, Catholic University of Leuven, Belgium
5. Institute of Pharmaceutical Technology, Johann Wolfgang University, Frankfurt, Germany