[1] King Faisal Univ, Coll Med, Al Hasa, Saudi Arabia
[2] King Fahad Gen Hosp, Gen Surg, Al Hasa, Saudi Arabia
[3] King Fahad Gen Hosp, Dermatol, Al Hasa, Saudi Arabia
[4] King Saud Univ Med City KSUMC King Saud Univ, King Abdullah Ear Specialist Ctr KAESC Coll Med, Otol, Riyadh, Saudi Arabia
[5] King Saud Univ, King Abdullah Ear Specialist Ctr KAESC King Abdul, Otorhinolaryngol Head Neck, Riyadh, Saudi Arabia