1. Complex Carbohydrate Research Center, The University of Georgia, Athens, Georgia, USA
2. CIC bioGUNE, Derio, Bizkaia, Spain
3. Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
4. Department of Preventive Medicine, Public Health and Microbiology, Autonomous University of Madrid, Madrid, Spain
5. Service of Microbiology, Hospital Universitario La Paz, IdiPaz, Madrid, Spain
6. Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA