About the Authors
Department of Microbiology and Immunology, University of Melbourne, Melbourne, Australia
National Institute of Cholera and Enteric Diseases, Kolkata, India
Wellcome Trust Sanger Institute, Hinxton, Cambridge, United Kingdom
International Vaccine Institute, Seoul, Korea
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KEH GD SD. Performed the experiments: SD DJP BM SKB BB. Analyzed the data: KEH SD MA RLO JDC. Wrote the paper: KEH SD GD.