1. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
3. Paul G. Allen School for Global Animal Health, Washington State University, Pullman, Washington, USA
4. Instituto de Ciencias e Innovación en Medicina Universidad del Desarrollo, Santiago, Chile
5. National Institute of Epidemiology, Ayapakkam, Chennai, India
6. icddr,b, Dhaka, Bangladesh