1. icddr,b Dhaka Bangladesh
2. School of Public Health and Community Medicine University of New South Wales Sydney NSW Australia
3. Centers for Disease Control and Prevention Atlanta GA USA
4. Institute of Epidemiology Disease Control and Research Dhaka Bangladesh
5. Institute for Global Health (IGH) University College London United Kingdom
6. The Royal Veterinary College University of London Hertfordshire UK
7. Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD USA