1 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Delivering Cholera Vaccines Effectively Project, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. Electronic address: [email protected].
2 WHO, Geneva, Switzerland.
3 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
4 Delivering Cholera Vaccines Effectively Project, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Epicentre, Paris, France.