The Institute of Applied Research-The Galilee Society, Shefa-Amr, Israel. yousef@gal-soc.org|The Institute of Applied Research-The Galilee Society, Shefa-Amr, Israel. yousef@gal-soc.org|The Institute of Applied Research-The Galilee Society, Shefa-Amr, Israel. yousef@gal-soc.org|The Institute of Applied Research-The Galilee Society, Shefa-Amr, Israel. yousef@gal-soc.org|The Institute of Applied Research-The Galilee Society, Shefa-Amr, Israel. yousef@gal-soc.org