Ammar Abdulrahman Jairoun1, Sabaa Saleh Al-Hemyari2, Maimona Jairoun3. 1. Health and Safety Department, Dubai Municipality, Dubai, United Arab Emirates. Electronic address: Dr_ammar_91_@hotmail.com. 2. Pharmacy Department, Ministry of Health and Prevention, Dubai, United Arab Emirates. Electronic address: drsabasaleh@hotmail.com. 3. College of Pharmacy and Health Sciences, Ajman University, United Arab Emirates. Electronic address: bueaty_moon@hotmail.com.