1. G.R. Micro Ltd, London, United Kingdom;
2. Mount Sinai School of Medicine, New York, New York, USA;
3. Clinical Microbiology Institute, Wilsonville, Oregon, USA;
4. sanofi-aventis, Bridgewater, New Jersey, USA;
5. Emory University, Atlanta, Georgia, USA;University of the Witwatersrand, Johannesburg, South Africa