1. Research Laboratory for Vector-Borne Diseases; Queen Astrid Military Hospital; Brussels Belgium
2. Evolutionary Ecology Group; Department of Biology; University of Antwerp; Antwerp Belgium
3. Laboratory for Zoonoses and Environmental Microbiology; National Institute for Public Health and Environment (RIVM); Bilthoven The Netherlands
4. Laboratory of Entomology; Wageningen University; Wageningen The Netherlands