1. Laboratorium voor Microbiologie
Ghent University
K. L. Ledganckstraat 35
B-9000 Ghent, Belgium
2. Department of Pediatrics and Communicable Diseases
University of Michigan
Ann Arbor, Michigan
3. Department of Medical Microbiology
University of Edinburgh
Edinburgh, United Kingdom
4. School of Biosciences
Cardiff University
Cardiff, United Kingdom