[1] Soroka Univ Med Ctr, Dept Dermatol, POB 151, IL-84101 Beer Sheva, Israel
[2] Ben Gurion Univ Negev, Fac Hlth Sci, Beer Sheva, Israel
[3] Hebrew Univ Jerusalem, Sch Med, Jerusalem, Israel
[4] Soroka Univ Med Ctr, Pediat Dermatol Serv, Beer Sheva, Israel