1. Centre for Ecology and Hydrology; Crowmarsh Gifford, Wallingford; Wallingford Oxfordshire United Kingdom
2. International Centre for Agricultural Research in the Dry Areas (ICARDA); Abdoun Amman Jordan
3. United Nations University; Institute for Water, Environment and Health; Hamilton Ontario Canada
4. General Commission for Scientific Agricultural Research (GCSAR); Ministry of Agriculture and Agrarian Reform; Damascus Syria