1. Department of Environmental Hydrology and Microbiology,; Zuckerberg Institute for Water Research and Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev,; Midreshet Ben-Gurion, Israel
2. Department of Crop and Soil Science,; Oregon State University,; Corvallis, Oregon, USA
3. Department of Petroleum and Natural Gas Engineering,; Pennsylvania State University,; University Park, Pennsylvania, USA
4. Now at INGRAIN,; Houston, Texas, USA