1 Dermatology and Laser at Dermatology Unit, Medical Laser Applications, National Institute of Laser Enhanced Sciences (NIlES) Cairo University, 25 Giza St, Giza, 11236, Egypt. maiosman2007@yahoo.com.
2 ENT and Laser at ENT Unit, Medical Laser Applications, National Institute of Laser Enhanced Sciences (NIlES) Cairo University, 25 Giza St, Giza, 11236, Egypt.