1. Global Health Pharma Unit, GlaxoSmithKline R&D, Tres Cantos, Madrid, Spain
2. Division of Biological Chemistry and Drug Discovery, College of Life Sciences, University of Dundee, Dundee, UK
3. Global Health Pharma Unit, GlaxoSmithKline R&D, London, UK
4. Department of Microbiology and Immunology, Weill Cornell Medical College, New York, NY