1. Rais Uddin Siddiqui:
Department of ENT, Liaquat University of Medical and health Sciences, Jamshoro, Sindh, Pakistan
2. Khalid Rasheed:
Department of ENT, Liaquat University of Medical and health Sciences, Jamshoro, Sindh, Pakistan
3. M. Rafique:
Department of ENT, Liaquat University of Medical and health Sciences, Jamshoro, Sindh, Pakistan