1. Laboratory
for Medicinal Chemistry, Ghent University, Ottergemsesteenweg 460, B-9000 Ghent, Belgium
2. Laboratory
for Pharmaceutical Microbiology, Ghent University, Ottergemsesteenweg 460, B-9000 Ghent, Belgium
3. Laboratory
for Microbiology, Parasitology and Hygiene, University of Antwerp, Universiteitsplein 1 (S7), B-2610 Wilrijk, Belgium