1. Department of Pharmaceutics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium
2. Cancer Research Institute Ghent (CRIG), Ghent University, Ghent, Belgium
3. VIB-UGent Center for Medical Biotechnology, Technologiepark 927, 9052 Ghent, Belgium
4. Department of Biomedical Molecular Biology, Ghent University, Ghent B-9052, Belgium
5. Department of Chemistry, University of California, Irvine, California 92697, United States
6. Department of Medicinal Chemistry, University of Minnesota, Sixth Street SE, Minneapolis, Minnesota 55455, United States