1. Department of Oral Pathology, Dow University of Health Sciences, Karachi, Sindh, Pakistan
2. Department of Oral Pathology, Liaquat University of Medical and Health Sciences, Jamshoro, Sindh, Pakistan
3. Department of Biochemistry, Muhammad Bin Qasim Medical College, Karachi, Sindh, Pakistan
4. Department of Oral Pathology, Sindh Institute of Oral Health Sciences, Jinnah Sindh Medical University, Karachi, Pakistan