1. Food and Agriculture Organisation of the United Nations, Viale delle Terme di Caracalla, Rome 100153, Italy
2. Department of Resource Economics, University of Nevada, Reno, USA
3. Emergency Centre for Transboundary Animal Diseases, Food and Agriculture Organisation of the United Nations, Jakarta, Indonesia
4. Humanitarian Activities Unit, University of North Sumatra, Medan, Indonesia
5. International Rural Poultry Centre, KYEEMA Foundation, Qld, Australia