1. Clalit Health Services, Ben-Gurion University of the Negev, Beer-Sheva, Israel
2. Siaal Research Center for Family Medicine and Primary Care, Ben-Gurion University of the Negev, Beer-Sheva, Israel
3. Department of Plastic and Reconstructive Surgery, Center for R & D in Plastic Surgery, Soroka Medical Center, Beer-Sheva, Israel
4. Ben-Gurion University of the Negev, Beer-Sheva, Israel