[1] Univ Bisha, Coll Med, Dept Basic Med Sci, Bisha, Saudi Arabia
[2] Zagazig Univ, Fac Med, Dept Human Anat & Embryol, Zagazig, Egypt
[3] Mansoura Univ, Fac Med, Dept Anat & Embryol, Mansoura, Egypt
[4] Zagazig Univ, Fac Med, Dept Med Parasitol, Zagazig, Egypt
[5] Ain Shams Univ, Fac Med, Dept Med Parasitol, Cairo, Egypt
[6] Suez Canal Univ, Fac Med, Dept Clin Pathol, Ismailiya, Egypt
[7] Univ Bisha, Coll Med, Dept Clin Pharmacol, Bisha, Saudi Arabia
[8] Ain Shams Univ, Fac Med, Dept Clin Pharmacol, Cairo, Egypt
[9] Univ Bisha, Coll Med, Dept Surg, Bisha, Saudi Arabia
[10] Suez Canal Univ, Fac Med, Dept Otorhinolaryngol, Ismailiya, Egypt
[11] Mansoura Univ, Fac Med, Dept Surg Oncol, Mansoura, Egypt
[12] Univ Bisha, Coll Med, Dept Internal Med, Bisha, Saudi Arabia
[13] Univ Bisha, Coll Med, Dept Basic Med Sci, Unit Anat, POB 551,255 Al Nakhil, Bisha 61922, Saudi Arabia