1. Animal Production Systems Group; Wageningen University & Research; Wageningen the Netherlands
2. Commonwealth Scientific and Industrial Research Organisation; St. Lucia QLD Australia
3. Department of Energy and Technology; Swedish University of Agricultural Sciences; Uppsala Sweden
4. Research Institute of Organic Agriculture; Frick Switzerland
5. Institute for Environmental Decisions; Federal Institutes of Technology Zurich; Zurich Switzerland
6. Food Climate Research Network & Oxford Martin School; University of Oxford; Oxford UK
7. Animal Production and Health Division; Food and Agriculture Organization of the United Nations; Rome Italy