1. Physical Therapy Department, University of Lahore, Lahore 42000, Pakistan
2. Riphah College of Rehabilitation & Allied Health Sciences, Riphah International University, Lahore 42000, Pakistan
3. Faculty of Allied Health Sciences, Riphah International University, Lahore 42000, Pakistan
4. Department of Otorhinolaryngology, Capital Hospital PGMI, Islamabad 44000, Pakistan