[1] Univ Jordan, Sch Med, Dept Family & Community Med, Amman, Jordan
[2] King Hussein Med Ctr KHMC, Dept Ears Nose & Throat, Amman, Jordan
[3] Univ Jordan, Sch Agr, Dept Nutr & Food Technol, Amman 11942, Jordan
[4] Al Zaytoonah Univ Jordan, Sch Nursing, Dept Nursing, Amman, Jordan