1. Department of Pharmaceutical Technology and Biopharmacy and Freiburger Materialforschungszentrum (FMF)Institute of Pharmaceutical SciencesAlbert Ludwig University of Freiburg 79104 Freiburg Germany
2. Division of Pharmaceutical TechnologyDepartment of Pharmaceutical SciencesUniversity of Basel 4056 Basel Switzerland
3. Institute of Organic ChemistryJohannes Gutenberg University Mainz 55128 Mainz Germany
4. Department of Biochemistry and Molecular BiologyUniversity of British Columbia Health Sciences Mall Vancouver V6T 1Z3 British Columbia Canada